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80875254 = 2364320963
BaseRepresentation
bin1001101001000…
…00111011110110
312122011212222210
410310200323312
5131201002004
612005234250
72001266625
oct464407366
9178155883
1080875254
1141719859
1223102986
13139a88a5
14aa536bc
157178089
hex4d20ef6

80875254 has 16 divisors (see below), whose sum is σ = 162009792. Its totient is φ = 26915208.

The previous prime is 80875241. The next prime is 80875271. The reversal of 80875254 is 45257808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6624 + ... + 14339.

It is an arithmetic number, because the mean of its divisors is an integer number (10125612).

Almost surely, 280875254 is an apocalyptic number.

80875254 is an abundant number, since it is smaller than the sum of its proper divisors (81134538).

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

80875254 is a wasteful number, since it uses less digits than its factorization.

80875254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21611.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 80875254 is about 8993.0669963033. The cubic root of 80875254 is about 432.4526398518.

The spelling of 80875254 in words is "eighty million, eight hundred seventy-five thousand, two hundred fifty-four".

Divisors: 1 2 3 6 643 1286 1929 3858 20963 41926 62889 125778 13479209 26958418 40437627 80875254