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70745108 = 2272526611
BaseRepresentation
bin1000011011101…
…11110000010100
311221010020001012
410031313300110
5121102320413
611004151352
71516215650
oct415676024
9157106035
1070745108
1136a2a935
121b838558
131186ca15
149577a60
1563267a8
hex4377c14

70745108 has 12 divisors (see below), whose sum is σ = 141490272. Its totient is φ = 30319320.

The previous prime is 70745009. The next prime is 70745137. The reversal of 70745108 is 80154707.

70745108 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1263278 + ... + 1263333.

It is an arithmetic number, because the mean of its divisors is an integer number (11790856).

Almost surely, 270745108 is an apocalyptic number.

It is an amenable number.

70745108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70745108 is a wasteful number, since it uses less digits than its factorization.

70745108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526622 (or 2526620 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 70745108 is about 8411.0111163879. The cubic root of 70745108 is about 413.5856590323.

The spelling of 70745108 in words is "seventy million, seven hundred forty-five thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 2526611 5053222 10106444 17686277 35372554 70745108