Search a number
-
+
80664612 = 2237960293
BaseRepresentation
bin1001100111011…
…01100000100100
312121210012001020
410303231200210
5131122231422
612000531140
71666431540
oct463554044
9177705036
1080664612
1141595576
1223020ab0
1313933a52
14a9daa20
15713595c
hex4ced824

80664612 has 24 divisors (see below), whose sum is σ = 215105856. Its totient is φ = 23047008.

The previous prime is 80664593. The next prime is 80664673. The reversal of 80664612 is 21646608.

It is a happy number.

It is a super-2 number, since 2×806646122 = 13013559258221088, which contains 22 as substring.

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, 480063 + ... + 480230.

It is an arithmetic number, because the mean of its divisors is an integer number (8962744).

Almost surely, 280664612 is an apocalyptic number.

It is an amenable number.

80664612 is an abundant number, since it is smaller than the sum of its proper divisors (134441244).

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

80664612 is a wasteful number, since it uses less digits than its factorization.

80664612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960307 (or 960305 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80664612 is about 8981.3480057283. The cubic root of 80664612 is about 432.0768681803.

The spelling of 80664612 in words is "eighty million, six hundred sixty-four thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 960293 1920586 2880879 3841172 5761758 6722051 11523516 13444102 20166153 26888204 40332306 80664612