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164768271 = 3271202667
BaseRepresentation
bin10011101001000…
…10101000001111
3102111001002120120
421310202220033
5314140041041
624203320023
74040335653
oct1164425017
9374032516
10164768271
1185009928
1247220013
132819cc25
1417c50a63
15e6ea366
hex9d22a0f

164768271 has 8 divisors (see below), whose sum is σ = 220502784. Its totient is φ = 109439640.

The previous prime is 164768207. The next prime is 164768287. The reversal of 164768271 is 172867461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164768271 - 26 = 164768207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164768971) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100521 + ... + 102146.

It is an arithmetic number, because the mean of its divisors is an integer number (27562848).

Almost surely, 2164768271 is an apocalyptic number.

164768271 is a deficient number, since it is larger than the sum of its proper divisors (55734513).

164768271 is a wasteful number, since it uses less digits than its factorization.

164768271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202941.

The product of its digits is 112896, while the sum is 42.

The square root of 164768271 is about 12836.2093703710. The cubic root of 164768271 is about 548.2237695459.

The spelling of 164768271 in words is "one hundred sixty-four million, seven hundred sixty-eight thousand, two hundred seventy-one".

Divisors: 1 3 271 813 202667 608001 54922757 164768271