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70086864 = 2431460143
BaseRepresentation
bin1000010110101…
…11000011010000
311212212210002210
410023113003100
5120420234424
610542112120
71510504611
oct413270320
9155783083
1070086864
1136620331
121b57b640
131169c223
149445c08
156246729
hex42d70d0

70086864 has 20 divisors (see below), whose sum is σ = 181057856. Its totient is φ = 23362272.

The previous prime is 70086857. The next prime is 70086883. The reversal of 70086864 is 46868007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730024 + ... + 730119.

Almost surely, 270086864 is an apocalyptic number.

It is an amenable number.

70086864 is an abundant number, since it is smaller than the sum of its proper divisors (110970992).

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

70086864 is a wasteful number, since it uses less digits than its factorization.

70086864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460154 (or 1460148 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 70086864 is about 8371.7897728025. The cubic root of 70086864 is about 412.2989315758.

The spelling of 70086864 in words is "seventy million, eighty-six thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1460143 2920286 4380429 5840572 8760858 11681144 17521716 23362288 35043432 70086864