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70568 = 238821
BaseRepresentation
bin10001001110101000
310120210122
4101032220
54224233
61302412
7412511
oct211650
9116718
1070568
1149023
1234a08
1326174
141ba08
1515d98
hex113a8

70568 has 8 divisors (see below), whose sum is σ = 132330. Its totient is φ = 35280.

The previous prime is 70549. The next prime is 70571. The reversal of 70568 is 86507.

It can be written as a sum of positive squares in only one way, i.e., 56644 + 13924 = 238^2 + 118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4403 + ... + 4418.

270568 is an apocalyptic number.

It is an amenable number.

70568 is a deficient number, since it is larger than the sum of its proper divisors (61762).

70568 is a wasteful number, since it uses less digits than its factorization.

70568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827 (or 8823 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 70568 is about 265.6463814924. The cubic root of 70568 is about 41.3240238023.

The spelling of 70568 in words is "seventy thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 8821 17642 35284 70568