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12482491 = 723314161
BaseRepresentation
bin101111100111…
…011110111011
3212111011202111
4233213132323
511143414431
61123313151
7211046050
oct57473673
925434674
1012482491
11705630a
12421b7b7
1327807b8
14192d027
1511687b1
hexbe77bb

12482491 has 32 divisors (see below), whose sum is σ = 15998976. Its totient is φ = 9504000.

The previous prime is 12482473. The next prime is 12482501. The reversal of 12482491 is 19428421.

It is a cyclic number.

It is not a de Polignac number, because 12482491 - 27 = 12482363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (12482291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204601 + ... + 204661.

It is an arithmetic number, because the mean of its divisors is an integer number (499968).

Almost surely, 212482491 is an apocalyptic number.

12482491 is a deficient number, since it is larger than the sum of its proper divisors (3516485).

12482491 is a wasteful number, since it uses less digits than its factorization.

12482491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163.

The product of its digits is 4608, while the sum is 31.

The square root of 12482491 is about 3533.0568917016. The cubic root of 12482491 is about 231.9710316090.

The spelling of 12482491 in words is "twelve million, four hundred eighty-two thousand, four hundred ninety-one".

Divisors: 1 7 23 31 41 61 161 217 287 427 713 943 1271 1403 1891 2501 4991 6601 8897 9821 13237 17507 29233 43493 57523 77531 204631 304451 402661 542717 1783213 12482491