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76492512 = 25371093
BaseRepresentation
bin1001000111100…
…10111011100000
312022221020000000
410203302323200
5124040230022
611331300000
71616114145
oct443627340
9168836000
1076492512
113a1a5a58
122174a600
1312b02a55
14a2323cc
156aae6ac
hex48f2ee0

76492512 has 96 divisors (see below), whose sum is σ = 226064160. Its totient is φ = 25474176.

The previous prime is 76492487. The next prime is 76492519. The reversal of 76492512 is 21529467.

76492512 is a `hidden beast` number, since 7 + 649 + 2 + 5 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×764925122 = 11702208784140288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76492519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69438 + ... + 70530.

It is an arithmetic number, because the mean of its divisors is an integer number (2354835).

Almost surely, 276492512 is an apocalyptic number.

76492512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76492512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113032080).

76492512 is an abundant number, since it is smaller than the sum of its proper divisors (149571648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76492512 is an equidigital number, since it uses as much as digits as its factorization.

76492512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1098 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 76492512 is about 8745.9997713240. Note that the first 3 decimals coincide. The cubic root of 76492512 is about 424.4953863325.

The spelling of 76492512 in words is "seventy-six million, four hundred ninety-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 729 864 972 1093 1296 1458 1944 2186 2187 2592 2916 3279 3888 4372 4374 5832 6558 7776 8744 8748 9837 11664 13116 17488 17496 19674 23328 26232 29511 34976 34992 39348 52464 59022 69984 78696 88533 104928 118044 157392 177066 236088 265599 314784 354132 472176 531198 708264 796797 944352 1062396 1416528 1593594 2124792 2390391 2833056 3187188 4249584 4780782 6374376 8499168 9561564 12748752 19123128 25497504 38246256 76492512