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164584856 = 2325780051
BaseRepresentation
bin10011100111101…
…01110110011000
3102110200202222102
421303311312120
5314113203411
624155342532
74035643142
oct1163656630
9373622872
10164584856
11849a4047
1247151a48
13281375b7
1417c03c92
15e6b0d3b
hex9cf5d98

164584856 has 16 divisors (see below), whose sum is σ = 309801240. Its totient is φ = 81971200.

The previous prime is 164584829. The next prime is 164584883. The reversal of 164584856 is 658485461.

It is an interprime number because it is at equal distance from previous prime (164584829) and next prime (164584883).

It is a self number, because there is not a number n which added to its sum of digits gives 164584856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37970 + ... + 42081.

Almost surely, 2164584856 is an apocalyptic number.

It is an amenable number.

164584856 is a deficient number, since it is larger than the sum of its proper divisors (145216384).

164584856 is a wasteful number, since it uses less digits than its factorization.

164584856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80314 (or 80310 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 164584856 is about 12829.0629431771. The cubic root of 164584856 is about 548.0202720403.

The spelling of 164584856 in words is "one hundred sixty-four million, five hundred eighty-four thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 257 514 1028 2056 80051 160102 320204 640408 20573107 41146214 82292428 164584856