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164353070 = 25710721943
BaseRepresentation
bin10011100101111…
…01010000101110
3102110021000000202
421302331100232
5314033244240
624150353502
74033656320
oct1162752056
9373230022
10164353070
1184855992
124705b892
1328085c4b
1417b83610
15e667315
hex9cbd42e

164353070 has 32 divisors (see below), whose sum is σ = 341273088. Its totient is φ = 55820448.

The previous prime is 164353069. The next prime is 164353073. The reversal of 164353070 is 70353461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164353073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3482 + ... + 18461.

It is an arithmetic number, because the mean of its divisors is an integer number (10664784).

Almost surely, 2164353070 is an apocalyptic number.

164353070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164353070 is an abundant number, since it is smaller than the sum of its proper divisors (176920018).

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

164353070 is a wasteful number, since it uses less digits than its factorization.

164353070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22064.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 164353070 is about 12820.0261310186. The cubic root of 164353070 is about 547.7628909222.

The spelling of 164353070 in words is "one hundred sixty-four million, three hundred fifty-three thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 107 214 535 749 1070 1498 3745 7490 21943 43886 109715 153601 219430 307202 768005 1536010 2347901 4695802 11739505 16435307 23479010 32870614 82176535 164353070