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80664052 = 2272880859
BaseRepresentation
bin1001100111011…
…01010111110100
312121210011021111
410303231113310
5131122222202
612000524404
71666430110
oct463552764
9177704244
1080664052
1141595107
1223020704
1313933711
14a9da740
1571356d7
hex4ced5f4

80664052 has 12 divisors (see below), whose sum is σ = 161328160. Its totient is φ = 34570296.

The previous prime is 80664037. The next prime is 80664061. The reversal of 80664052 is 25046608.

80664052 is an admirable number.

It is a pancake number, because a pancake can be divided into 80664052 parts by 12701 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440402 + ... + 1440457.

Almost surely, 280664052 is an apocalyptic number.

It is an amenable number.

80664052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80664052 is a wasteful number, since it uses less digits than its factorization.

80664052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880870 (or 2880868 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 80664052 is about 8981.3168299532. The cubic root of 80664052 is about 432.0758683052.

The spelling of 80664052 in words is "eighty million, six hundred sixty-four thousand, fifty-two".

Divisors: 1 2 4 7 14 28 2880859 5761718 11523436 20166013 40332026 80664052