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80695060 = 22513929027
BaseRepresentation
bin1001100111101…
…00111100010100
312121211201210221
410303310330110
5131124220220
612001324124
71666616365
oct463647424
9177751727
1080695060
1141606436
1223036644
1313944874
14aa07b6c
15713e9aa
hex4cf4f14

80695060 has 24 divisors (see below), whose sum is σ = 170684640. Its totient is φ = 32044704.

The previous prime is 80695057. The next prime is 80695091. The reversal of 80695060 is 6059608.

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, 11734 + ... + 17293.

It is an arithmetic number, because the mean of its divisors is an integer number (7111860).

Almost surely, 280695060 is an apocalyptic number.

It is an amenable number.

80695060 is an abundant number, since it is smaller than the sum of its proper divisors (89989580).

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

80695060 is a wasteful number, since it uses less digits than its factorization.

80695060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29175 (or 29173 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 80695060 is about 8983.0429142913. The cubic root of 80695060 is about 432.1312258522.

The spelling of 80695060 in words is "eighty million, six hundred ninety-five thousand, sixty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 29027 58054 116108 145135 290270 580540 4034753 8069506 16139012 20173765 40347530 80695060