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70085712 = 24312711497
BaseRepresentation
bin1000010110101…
…10110001010000
311212212201112010
410023112301100
5120420220322
610542102520
71510501344
oct413266120
9155781463
1070085712
113661a484
121b57aa40
131169b848
149445624
15624620c
hex42d6c50

70085712 has 40 divisors (see below), whose sum is σ = 182496256. Its totient is φ = 23175936.

The previous prime is 70085707. The next prime is 70085753. The reversal of 70085712 is 21758007.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70085712.

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 7 ways as a sum of consecutive naturals, for example, 348 + ... + 11844.

Almost surely, 270085712 is an apocalyptic number.

It is an amenable number.

70085712 is an abundant number, since it is smaller than the sum of its proper divisors (112410544).

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

70085712 is a wasteful number, since it uses less digits than its factorization.

70085712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11635 (or 11629 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 70085712 is about 8371.7209700276. The cubic root of 70085712 is about 412.2966726125.

It can be divided in two parts, 7008 and 5712, that added together give a triangular number (12720 = T159).

The spelling of 70085712 in words is "seventy million, eighty-five thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 127 254 381 508 762 1016 1524 2032 3048 6096 11497 22994 34491 45988 68982 91976 137964 183952 275928 551856 1460119 2920238 4380357 5840476 8760714 11680952 17521428 23361904 35042856 70085712