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20037164 = 227715613
BaseRepresentation
bin100110001101…
…1111000101100
31101200222211012
41030123320230
520112142124
61553244352
7332212250
oct114337054
941628735
1020037164
1110346244
1268636b8
1341c7314
142938260
151b5be0e
hex131be2c

20037164 has 12 divisors (see below), whose sum is σ = 40074384. Its totient is φ = 8587344.

The previous prime is 20037109. The next prime is 20037179. The reversal of 20037164 is 46173002.

20037164 is an admirable number.

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, 357779 + ... + 357834.

It is an arithmetic number, because the mean of its divisors is an integer number (3339532).

Almost surely, 220037164 is an apocalyptic number.

It is an amenable number.

20037164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20037164 is a wasteful number, since it uses less digits than its factorization.

20037164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715624 (or 715622 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20037164 is about 4476.2890880728. The cubic root of 20037164 is about 271.6097886537.

The spelling of 20037164 in words is "twenty million, thirty-seven thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 715613 1431226 2862452 5009291 10018582 20037164