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164342056 = 2397211781
BaseRepresentation
bin10011100101110…
…10100100101000
3102110020102220211
421302322210220
5314032421211
624150230504
74033612234
oct1162724450
9373212824
10164342056
118484868a
1247055434
1328080c28
1417b7d5c4
15e663e21
hex9cba928

164342056 has 16 divisors (see below), whose sum is σ = 311319540. Its totient is φ = 81323520.

The previous prime is 164342047. The next prime is 164342069. The reversal of 164342056 is 650243461.

164342056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 162562500 + 1779556 = 12750^2 + 1334^2 .

It is a super-2 number, since 2×1643420562 = 54016622740614272, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 105115 + ... + 106666.

Almost surely, 2164342056 is an apocalyptic number.

It is an amenable number.

164342056 is a deficient number, since it is larger than the sum of its proper divisors (146977484).

164342056 is a wasteful number, since it uses less digits than its factorization.

164342056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211884 (or 211880 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 164342056 is about 12819.5965615147. The cubic root of 164342056 is about 547.7506546732.

The spelling of 164342056 in words is "one hundred sixty-four million, three hundred forty-two thousand, fifty-six".

Divisors: 1 2 4 8 97 194 388 776 211781 423562 847124 1694248 20542757 41085514 82171028 164342056