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70745118 = 2397112143
BaseRepresentation
bin1000011011101…
…11110000011110
311221010020001120
410031313300132
5121102320433
611004151410
71516215663
oct415676036
9157106046
1070745118
1136a2a944
121b838566
131186ca22
149577a6a
1563267b3
hex4377c1e

70745118 has 16 divisors (see below), whose sum is σ = 141647616. Its totient is φ = 23555480.

The previous prime is 70745009. The next prime is 70745137. The reversal of 70745118 is 81154707.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (8852976).

Almost surely, 270745118 is an apocalyptic number.

70745118 is an abundant number, since it is smaller than the sum of its proper divisors (70902498).

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

70745118 is a wasteful number, since it uses less digits than its factorization.

70745118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13119.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 70745118 is about 8411.0117108467. The cubic root of 70745118 is about 413.5856785195.

The spelling of 70745118 in words is "seventy million, seven hundred forty-five thousand, one hundred eighteen".

Divisors: 1 2 3 6 971 1942 2913 5826 12143 24286 36429 72858 11790853 23581706 35372559 70745118