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70531682 = 21311812297
BaseRepresentation
bin1000011010000…
…11101001100010
311220201101021112
410031003221202
5121024003212
610555423322
71514336504
oct415035142
9156641245
1070531682
11368a4551
121b754b42
13117c6830
14951dd74
1562d3422
hex4343a62

70531682 has 16 divisors (see below), whose sum is σ = 114081912. Its totient is φ = 32511360.

The previous prime is 70531673. The next prime is 70531687. The reversal of 70531682 is 28613507.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61952641 + 8579041 = 7871^2 + 2929^2 .

It is not an unprimeable number, because it can be changed into a prime (70531687) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29558 + ... + 31854.

Almost surely, 270531682 is an apocalyptic number.

70531682 is a deficient number, since it is larger than the sum of its proper divisors (43550230).

70531682 is a wasteful number, since it uses less digits than its factorization.

70531682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 70531682 is about 8398.3142356070. The cubic root of 70531682 is about 413.1693341463.

The spelling of 70531682 in words is "seventy million, five hundred thirty-one thousand, six hundred eighty-two".

Divisors: 1 2 13 26 1181 2297 2362 4594 15353 29861 30706 59722 2712757 5425514 35265841 70531682