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70869910 = 2529244379
BaseRepresentation
bin1000011100101…
…10001110010110
311221100120020111
410032112032112
5121120314120
611010553234
71520245546
oct416261626
9157316214
1070869910
1137005681
121b89881a
13118b4777
1495ab326
15634d75a
hex4396396

70869910 has 16 divisors (see below), whose sum is σ = 131965200. Its totient is φ = 27370336.

The previous prime is 70869893. The next prime is 70869917. The reversal of 70869910 is 1996807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70869917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121900 + ... + 122479.

It is an arithmetic number, because the mean of its divisors is an integer number (8247825).

Almost surely, 270869910 is an apocalyptic number.

70869910 is a deficient number, since it is larger than the sum of its proper divisors (61095290).

70869910 is a wasteful number, since it uses less digits than its factorization.

70869910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244415.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 70869910 is about 8418.4268126533. The cubic root of 70869910 is about 413.8287193953.

The spelling of 70869910 in words is "seventy million, eight hundred sixty-nine thousand, nine hundred ten".

Divisors: 1 2 5 10 29 58 145 290 244379 488758 1221895 2443790 7086991 14173982 35434955 70869910