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70654168 = 2313252259
BaseRepresentation
bin1000011011000…
…01100011011000
311220221121022001
410031201203120
5121041413133
611002210344
71515356554
oct415414330
9156847261
1070654168
1136978582
121b7b39b4
131183a500
149552864
15630987d
hex43618d8

70654168 has 24 divisors (see below), whose sum is σ = 143453700. Its totient is φ = 32608992.

The previous prime is 70654153. The next prime is 70654169. The reversal of 70654168 is 86145607.

It is a super-2 number, since 2×706541682 = 9984022911544448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70654169) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 24778 + ... + 27481.

Almost surely, 270654168 is an apocalyptic number.

It is an amenable number.

70654168 is an abundant number, since it is smaller than the sum of its proper divisors (72799532).

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

70654168 is a wasteful number, since it uses less digits than its factorization.

70654168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52291 (or 52274 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 70654168 is about 8405.6033691818. The cubic root of 70654168 is about 413.4083671157.

The spelling of 70654168 in words is "seventy million, six hundred fifty-four thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 52259 104518 209036 418072 679367 1358734 2717468 5434936 8831771 17663542 35327084 70654168