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80892164 = 22103319577
BaseRepresentation
bin1001101001001…
…01000100000100
312122012202012002
410310211010010
5131202022124
612005444432
72001400133
oct464450404
9178182162
1080892164
1141730531
1223110718
13139b34b2
14aa5991a
15717d0ae
hex4d25104

80892164 has 12 divisors (see below), whose sum is σ = 141705564. Its totient is φ = 40404864.

The previous prime is 80892143. The next prime is 80892167. The reversal of 80892164 is 46129808.

It can be written as a sum of positive squares in 2 ways, for example, as 77440000 + 3452164 = 8800^2 + 1858^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80892167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5657 + ... + 13920.

It is an arithmetic number, because the mean of its divisors is an integer number (11808797).

Almost surely, 280892164 is an apocalyptic number.

It is an amenable number.

80892164 is a deficient number, since it is larger than the sum of its proper divisors (60813400).

80892164 is a wasteful number, since it uses less digits than its factorization.

80892164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20614 (or 20612 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 80892164 is about 8994.0071158522. The cubic root of 80892164 is about 432.4827778902.

The spelling of 80892164 in words is "eighty million, eight hundred ninety-two thousand, one hundred sixty-four".

Divisors: 1 2 4 1033 2066 4132 19577 39154 78308 20223041 40446082 80892164