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80689424 = 2430716427
BaseRepresentation
bin1001100111100…
…11100100010000
312121211110002012
410303303210100
5131124030144
612001242052
71666564064
oct463634420
9177743065
1080689424
1141602182
1223033328
131394212a
14aa05aa4
15713ce9e
hex4cf3910

80689424 has 20 divisors (see below), whose sum is σ = 156854544. Its totient is φ = 40210848.

The previous prime is 80689393. The next prime is 80689439. The reversal of 80689424 is 42498608.

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, 3302 + ... + 13125.

Almost surely, 280689424 is an apocalyptic number.

It is an amenable number.

80689424 is a deficient number, since it is larger than the sum of its proper divisors (76165120).

80689424 is a wasteful number, since it uses less digits than its factorization.

80689424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16742 (or 16736 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 80689424 is about 8982.7292066498. The cubic root of 80689424 is about 432.1211651443.

The spelling of 80689424 in words is "eighty million, six hundred eighty-nine thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 307 614 1228 2456 4912 16427 32854 65708 131416 262832 5043089 10086178 20172356 40344712 80689424