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164365252 = 22227181019
BaseRepresentation
bin10011100110000…
…00001111000100
3102110021121201221
421303000033010
5314034142002
624150530124
74034036662
oct1163001704
9373247657
10164365252
1184864057
1247066944
132808b65c
1417b87c32
15e66ac37
hex9cc03c4

164365252 has 12 divisors (see below), whose sum is σ = 288907920. Its totient is φ = 81820136.

The previous prime is 164365217. The next prime is 164365259. The reversal of 164365252 is 252563461.

It is not an unprimeable number, because it can be changed into a prime (164365259) 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 3 ways as a sum of consecutive naturals, for example, 89602 + ... + 91417.

It is an arithmetic number, because the mean of its divisors is an integer number (24075660).

Almost surely, 2164365252 is an apocalyptic number.

It is an amenable number.

164365252 is a deficient number, since it is larger than the sum of its proper divisors (124542668).

164365252 is a wasteful number, since it uses less digits than its factorization.

164365252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181250 (or 181248 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 164365252 is about 12820.5012382512. The cubic root of 164365252 is about 547.7764241501.

The spelling of 164365252 in words is "one hundred sixty-four million, three hundred sixty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 227 454 908 181019 362038 724076 41091313 82182626 164365252