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870479146 = 22338092309
BaseRepresentation
bin110011111000100…
…111010100101010
32020122221220220101
4303320213110222
53240320313041
6222213220014
730366644035
oct6370472452
92218856811
10870479146
114073a9959
1220363160a
1310b45b824
148387401c
1551649b31
hex33e2752a

870479146 has 16 divisors (see below), whose sum is σ = 1313512200. Its totient is φ = 432648448.

The previous prime is 870479119. The next prime is 870479177. The reversal of 870479146 is 641974078.

It can be written as a sum of positive squares in 4 ways, for example, as 850363921 + 20115225 = 29161^2 + 4485^2 .

It is a junction number, because it is equal to n+sod(n) for n = 870479096 and 870479105.

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, 375840 + ... + 378148.

Almost surely, 2870479146 is an apocalyptic number.

870479146 is a deficient number, since it is larger than the sum of its proper divisors (443033054).

870479146 is a wasteful number, since it uses less digits than its factorization.

870479146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 870479146 is about 29503.8835748787. The cubic root of 870479146 is about 954.8154924382.

The spelling of 870479146 in words is "eight hundred seventy million, four hundred seventy-nine thousand, one hundred forty-six".

Divisors: 1 2 233 466 809 1618 2309 4618 188497 376994 537997 1075994 1867981 3735962 435239573 870479146