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76566972 = 2236380581
BaseRepresentation
bin1001001000001…
…01000110111100
312100002000010210
410210011012330
5124100120342
611333032420
71616544216
oct444050674
9170060123
1076566972
113a246999
1221785710
1312b2a901
14a2515b6
156ac679c
hex49051bc

76566972 has 12 divisors (see below), whose sum is σ = 178656296. Its totient is φ = 25522320.

The previous prime is 76566947. The next prime is 76566983. The reversal of 76566972 is 27966567.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3190279 + ... + 3190302.

Almost surely, 276566972 is an apocalyptic number.

It is an amenable number.

76566972 is an abundant number, since it is smaller than the sum of its proper divisors (102089324).

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

76566972 is a wasteful number, since it uses less digits than its factorization.

76566972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380588 (or 6380586 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 76566972 is about 8750.2555391257. The cubic root of 76566972 is about 424.6330803157.

The spelling of 76566972 in words is "seventy-six million, five hundred sixty-six thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 6380581 12761162 19141743 25522324 38283486 76566972