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164929775 = 5215494259
BaseRepresentation
bin10011101010010…
…10000011101111
3102111100022010012
421311022003233
5314210223100
624211003435
74041610553
oct1165120357
9374308105
10164929775
118510a1aa
124729957b
13282285aa
1417c93863
15e72d135
hex9d4a0ef

164929775 has 12 divisors (see below), whose sum is σ = 204693000. Its totient is φ = 131827680.

The previous prime is 164929769. The next prime is 164929777. The reversal of 164929775 is 577929461.

It is not a de Polignac number, because 164929775 - 214 = 164913391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164929777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36596 + ... + 40854.

It is an arithmetic number, because the mean of its divisors is an integer number (17057750).

Almost surely, 2164929775 is an apocalyptic number.

164929775 is a deficient number, since it is larger than the sum of its proper divisors (39763225).

164929775 is a wasteful number, since it uses less digits than its factorization.

164929775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818 (or 5813 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 164929775 is about 12842.4987833365. The cubic root of 164929775 is about 548.4028319712.

The spelling of 164929775 in words is "one hundred sixty-four million, nine hundred twenty-nine thousand, seven hundred seventy-five".

Divisors: 1 5 25 1549 4259 7745 21295 38725 106475 6597191 32985955 164929775