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70870692 = 2235905891
BaseRepresentation
bin1000011100101…
…10011010100100
311221100121022110
410032112122210
5121120330232
611011001020
71520251044
oct416263244
9157317273
1070870692
1137006222
121b899170
13118b4c29
1495ab724
15634dacc
hex43966a4

70870692 has 12 divisors (see below), whose sum is σ = 165364976. Its totient is φ = 23623560.

The previous prime is 70870687. The next prime is 70870711. The reversal of 70870692 is 29607807.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 70870692.

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, 2952934 + ... + 2952957.

Almost surely, 270870692 is an apocalyptic number.

It is an amenable number.

70870692 is an abundant number, since it is smaller than the sum of its proper divisors (94494284).

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

70870692 is a wasteful number, since it uses less digits than its factorization.

70870692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905898 (or 5905896 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 70870692 is about 8418.4732582577. The cubic root of 70870692 is about 413.8302414934.

The spelling of 70870692 in words is "seventy million, eight hundred seventy thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 5905891 11811782 17717673 23623564 35435346 70870692