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70691214 = 23118831213
BaseRepresentation
bin1000011011010…
…10100110001110
311221000111010010
410031222212032
5121044104324
611003054050
71515602556
oct415524616
9157014103
1070691214
11369a33a0
121b811326
1311851329
149562166
156315829
hex436a98e

70691214 has 32 divisors (see below), whose sum is σ = 154537344. Its totient is φ = 21379680.

The previous prime is 70691209. The next prime is 70691227. The reversal of 70691214 is 41219607.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 57672 + ... + 58884.

It is an arithmetic number, because the mean of its divisors is an integer number (4829292).

Almost surely, 270691214 is an apocalyptic number.

70691214 is an abundant number, since it is smaller than the sum of its proper divisors (83846130).

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

70691214 is a wasteful number, since it uses less digits than its factorization.

70691214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 70691214 is about 8407.8067294628. The cubic root of 70691214 is about 413.4806084326.

The spelling of 70691214 in words is "seventy million, six hundred ninety-one thousand, two hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 883 1213 1766 2426 2649 3639 5298 7278 9713 13343 19426 26686 29139 40029 58278 80058 1071079 2142158 3213237 6426474 11781869 23563738 35345607 70691214