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80766904 = 2331325673
BaseRepresentation
bin1001101000001…
…10011110111000
312121222101100211
410310012132320
5131134020104
612003040504
72000336011
oct464063670
9177871324
1080766904
1141655409
1223070134
131396b48a
14aa26008
157155e04
hex4d067b8

80766904 has 16 divisors (see below), whose sum is σ = 156323520. Its totient is φ = 39080640.

The previous prime is 80766901. The next prime is 80766913. The reversal of 80766904 is 40966708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80766901) 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 3 ways as a sum of consecutive naturals, for example, 162589 + ... + 163084.

It is an arithmetic number, because the mean of its divisors is an integer number (9770220).

Almost surely, 280766904 is an apocalyptic number.

It is an amenable number.

80766904 is a deficient number, since it is larger than the sum of its proper divisors (75556616).

80766904 is a wasteful number, since it uses less digits than its factorization.

80766904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325710 (or 325706 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 80766904 is about 8987.0408923071. The cubic root of 80766904 is about 432.2594320760.

The spelling of 80766904 in words is "eighty million, seven hundred sixty-six thousand, nine hundred four".

Divisors: 1 2 4 8 31 62 124 248 325673 651346 1302692 2605384 10095863 20191726 40383452 80766904