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70055070 = 2354335393
BaseRepresentation
bin1000010110011…
…11010010011110
311212211011111020
410023033102132
5120413230240
610541305010
71510313121
oct413172236
9155734436
1070055070
11365a9458
121b565166
131168a907
1494383b8
15623c0d0
hex42cf49e

70055070 has 32 divisors (see below), whose sum is σ = 168551712. Its totient is φ = 18634752.

The previous prime is 70055059. The next prime is 70055077. The reversal of 70055070 is 7055007.

It is a self number, because there is not a number n which added to its sum of digits gives 70055070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70055077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10294 + ... + 15686.

It is an arithmetic number, because the mean of its divisors is an integer number (5267241).

Almost surely, 270055070 is an apocalyptic number.

70055070 is an abundant number, since it is smaller than the sum of its proper divisors (98496642).

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

70055070 is a wasteful number, since it uses less digits than its factorization.

70055070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836.

The product of its (nonzero) digits is 1225, while the sum is 24.

The square root of 70055070 is about 8369.8906802897. The cubic root of 70055070 is about 412.2365774523.

The spelling of 70055070 in words is "seventy million, fifty-five thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 433 866 1299 2165 2598 4330 5393 6495 10786 12990 16179 26965 32358 53930 80895 161790 2335169 4670338 7005507 11675845 14011014 23351690 35027535 70055070