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80600664 = 23328311867
BaseRepresentation
bin1001100110111…
…01111001011000
312121122221022210
410303131321120
5131113210124
611555315120
71666044234
oct463357130
9177587283
1080600664
1141551521
1222babaa0
1313910901
14a9c15c4
157121a29
hex4cdde58

80600664 has 32 divisors (see below), whose sum is σ = 202230720. Its totient is φ = 26769696.

The previous prime is 80600623. The next prime is 80600669. The reversal of 80600664 is 46600608.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80600669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859 + ... + 12725.

It is an arithmetic number, because the mean of its divisors is an integer number (6319710).

Almost surely, 280600664 is an apocalyptic number.

It is an amenable number.

80600664 is an abundant number, since it is smaller than the sum of its proper divisors (121630056).

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

80600664 is a wasteful number, since it uses less digits than its factorization.

80600664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159 (or 12155 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 80600664 is about 8977.7872552205. The cubic root of 80600664 is about 431.9626596669.

The spelling of 80600664 in words is "eighty million, six hundred thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 283 566 849 1132 1698 2264 3396 6792 11867 23734 35601 47468 71202 94936 142404 284808 3358361 6716722 10075083 13433444 20150166 26866888 40300332 80600664