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164589828 = 223131055063
BaseRepresentation
bin10011100111101…
…11000100000100
3102110201000210120
421303313010010
5314113333303
624155421540
74035663504
oct1163670404
9373630716
10164589828
11849a7857
12471548b0
1328139940
1417c05a04
15e6b2553
hex9cf7104

164589828 has 24 divisors (see below), whose sum is σ = 413585088. Its totient is φ = 50642976.

The previous prime is 164589823. The next prime is 164589829. The reversal of 164589828 is 828985461.

It is a super-2 number, since 2×1645898282 = 54179622962139168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164589823) 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, 527376 + ... + 527687.

It is an arithmetic number, because the mean of its divisors is an integer number (17232712).

Almost surely, 2164589828 is an apocalyptic number.

It is an amenable number.

164589828 is an abundant number, since it is smaller than the sum of its proper divisors (248995260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164589828 is a wasteful number, since it uses less digits than its factorization.

164589828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055083 (or 1055081 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The square root of 164589828 is about 12829.2567204807. The cubic root of 164589828 is about 548.0257904285.

The spelling of 164589828 in words is "one hundred sixty-four million, five hundred eighty-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1055063 2110126 3165189 4220252 6330378 12660756 13715819 27431638 41147457 54863276 82294914 164589828