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164965115 = 572673327
BaseRepresentation
bin10011101010100…
…10101011111011
3102111102002121002
421311102223323
5314212340430
624211435215
74042115600
oct1165225373
9374362532
10164965115
1185133807
12472b5b0b
132823b6c3
1417ca26a7
15e738845
hex9d52afb

164965115 has 12 divisors (see below), whose sum is σ = 230278176. Its totient is φ = 113118768.

The previous prime is 164965103. The next prime is 164965117. The reversal of 164965115 is 511569461.

It is not a de Polignac number, because 164965115 - 210 = 164964091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164965117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336419 + ... + 336908.

It is an arithmetic number, because the mean of its divisors is an integer number (19189848).

Almost surely, 2164965115 is an apocalyptic number.

164965115 is a deficient number, since it is larger than the sum of its proper divisors (65313061).

164965115 is an equidigital number, since it uses as much as digits as its factorization.

164965115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673346 (or 673339 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 164965115 is about 12843.8746101011. The cubic root of 164965115 is about 548.4419984831.

The spelling of 164965115 in words is "one hundred sixty-four million, nine hundred sixty-five thousand, one hundred fifteen".

Divisors: 1 5 7 35 49 245 673327 3366635 4713289 23566445 32993023 164965115