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80772054 = 231110191201
BaseRepresentation
bin1001101000001…
…11101111010110
312121222122102120
410310013233112
5131134201204
612003120410
72000360016
oct464075726
9177878376
1080772054
1141659270
1223073106
131397091c
14aa27c46
1571576d9
hex4d07bd6

80772054 has 32 divisors (see below), whose sum is σ = 176549760. Its totient is φ = 24432000.

The previous prime is 80772037. The next prime is 80772071. The reversal of 80772054 is 45027708.

It is an interprime number because it is at equal distance from previous prime (80772037) and next prime (80772071).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66654 + ... + 67854.

It is an arithmetic number, because the mean of its divisors is an integer number (5517180).

Almost surely, 280772054 is an apocalyptic number.

80772054 is an abundant number, since it is smaller than the sum of its proper divisors (95777706).

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

80772054 is a wasteful number, since it uses less digits than its factorization.

80772054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 80772054 is about 8987.3274114166. The cubic root of 80772054 is about 432.2686193737.

The spelling of 80772054 in words is "eighty million, seven hundred seventy-two thousand, fifty-four".

Divisors: 1 2 3 6 11 22 33 66 1019 1201 2038 2402 3057 3603 6114 7206 11209 13211 22418 26422 33627 39633 67254 79266 1223819 2447638 3671457 7342914 13462009 26924018 40386027 80772054