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70259660 = 2253512983
BaseRepresentation
bin1000011000000…
…01001111001100
311220012120010122
410030001033030
5120441302120
610545524112
71512124442
oct414011714
9156176118
1070259660
1136729139
121b643638
131172ca83
14948cb92
15627ca25
hex43013cc

70259660 has 12 divisors (see below), whose sum is σ = 147545328. Its totient is φ = 28103856.

The previous prime is 70259659. The next prime is 70259681. The reversal of 70259660 is 6695207.

It is a self number, because there is not a number n which added to its sum of digits gives 70259660.

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, 1756472 + ... + 1756511.

It is an arithmetic number, because the mean of its divisors is an integer number (12295444).

Almost surely, 270259660 is an apocalyptic number.

It is an amenable number.

70259660 is an abundant number, since it is smaller than the sum of its proper divisors (77285668).

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

70259660 is a wasteful number, since it uses less digits than its factorization.

70259660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512992 (or 3512990 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 70259660 is about 8382.1035545977. The cubic root of 70259660 is about 412.6374882985.

The spelling of 70259660 in words is "seventy million, two hundred fifty-nine thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 3512983 7025966 14051932 17564915 35129830 70259660