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70085308 = 2244939023
BaseRepresentation
bin1000010110101…
…10101010111100
311212212200222011
410023112222330
5120420212213
610542101004
71510500226
oct413265274
9155780864
1070085308
113661a147
121b57a764
131169b5c7
149445416
15624603d
hex42d6abc

70085308 has 12 divisors (see below), whose sum is σ = 122925600. Its totient is φ = 34963712.

The previous prime is 70085297. The next prime is 70085371. The reversal of 70085308 is 80358007.

It is a self number, because there is not a number n which added to its sum of digits gives 70085308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17716 + ... + 21307.

It is an arithmetic number, because the mean of its divisors is an integer number (10243800).

Almost surely, 270085308 is an apocalyptic number.

It is an amenable number.

70085308 is a deficient number, since it is larger than the sum of its proper divisors (52840292).

70085308 is a wasteful number, since it uses less digits than its factorization.

70085308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39476 (or 39474 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 70085308 is about 8371.6968411428. The cubic root of 70085308 is about 412.2958804007.

The spelling of 70085308 in words is "seventy million, eighty-five thousand, three hundred eight".

Divisors: 1 2 4 449 898 1796 39023 78046 156092 17521327 35042654 70085308