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70985888 = 2512717467
BaseRepresentation
bin1000011101100…
…10100010100000
311221120110022222
410032302202200
5121133022023
611013250212
71521240641
oct416624240
9157513288
1070985888
1137084826
121b933968
13119254ac
1495db6c8
156372cc8
hex43b28a0

70985888 has 24 divisors (see below), whose sum is σ = 140861952. Its totient is φ = 35211456.

The previous prime is 70985867. The next prime is 70985891. The reversal of 70985888 is 88858907.

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, 4670 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (5869248).

Almost surely, 270985888 is an apocalyptic number.

It is an amenable number.

70985888 is a deficient number, since it is larger than the sum of its proper divisors (69876064).

70985888 is a wasteful number, since it uses less digits than its factorization.

70985888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17604 (or 17596 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 53.

The square root of 70985888 is about 8425.3123384240. The cubic root of 70985888 is about 414.0543387488.

The spelling of 70985888 in words is "seventy million, nine hundred eighty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 32 127 254 508 1016 2032 4064 17467 34934 69868 139736 279472 558944 2218309 4436618 8873236 17746472 35492944 70985888