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3761982225 = 3452292472
BaseRepresentation
bin1110000000111011…
…0100101100010001
3100201011211111110000
43200032310230101
530201031412400
61421144200213
7162140215131
oct34016645421
910634744400
103761982225
1116605a4a21
1288ba69069
1347c515bb1
142798b6ac1
1517040b600
hexe03b4b11

3761982225 has 135 divisors (see below), whose sum is σ = 7373892097. Its totient is φ = 1895987520.

The previous prime is 3761982223. The next prime is 3761982233. The reversal of 3761982225 is 5222891673.

The square root of 3761982225 is 61335.

It is a perfect power (a square), and thus also a powerful number.

3761982225 is a `hidden beast` number, since 3 + 7 + 619 + 8 + 2 + 2 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 51710481 + 3710271744 = 7191^2 + 60912^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 3761982225 - 21 = 3761982223 is a prime.

It is a super-2 number, since 2×37619822252 = 28305020522431901250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

Its product of digits (362880) is a multiple of the sum of its prime divisors (84).

It is not an unprimeable number, because it can be changed into a prime (3761982223) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 80042152 + ... + 80042198.

Almost surely, 23761982225 is an apocalyptic number.

3761982225 is the 61335-th square number.

3761982225 is the 30668-th centered octagonal number.

It is an amenable number.

3761982225 is a deficient number, since it is larger than the sum of its proper divisors (3611909872).

3761982225 is an equidigital number, since it uses as much as digits as its factorization.

3761982225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 84 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The cubic root of 3761982225 is about 1555.2692296178.

The spelling of 3761982225 in words is "three billion, seven hundred sixty-one million, nine hundred eighty-two thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 29 45 47 75 81 87 135 141 145 225 235 261 405 423 435 675 705 725 783 841 1175 1269 1305 1363 2025 2115 2175 2209 2349 2523 3525 3807 3915 4089 4205 6345 6525 6627 6815 7569 10575 11045 11745 12267 12615 19035 19575 19881 20445 21025 22707 31725 33135 34075 36801 37845 39527 55225 58725 59643 61335 63075 64061 68121 95175 99405 102225 110403 113535 118581 165675 178929 184005 189225 192183 197635 298215 306675 320305 340605 355743 497025 552015 567675 576549 592905 894645 920025 960915 988175 1067229 1491075 1601525 1703025 1729647 1778715 1857769 2760075 2882745 2964525 3201687 4473225 4804575 5188941 5336145 5573307 8648235 8893575 9288845 14413725 16008435 16719921 25944705 26680725 27866535 43241175 46444225 50159763 80042175 83599605 129723525 139332675 150479289 250798815 417998025 752396445 1253994075 3761982225