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38725164 = 22321075699
BaseRepresentation
bin1001001110111…
…0011000101100
32200212102221100
42103232120230
534403201124
63502003100
7650105232
oct223563054
980772840
1038725164
111a94a875
1210b76490
13803b4ca
145200952
1535ee1c9
hex24ee62c

38725164 has 18 divisors (see below), whose sum is σ = 97888700. Its totient is φ = 12908376.

The previous prime is 38725147. The next prime is 38725177. The reversal of 38725164 is 46152783.

38725164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1075699 = 38725164 / (3 + 8 + 7 + 2 + 5 + 1 + 6 + 4).

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 5 ways as a sum of consecutive naturals, for example, 537814 + ... + 537885.

Almost surely, 238725164 is an apocalyptic number.

It is an amenable number.

38725164 is an abundant number, since it is smaller than the sum of its proper divisors (59163536).

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

38725164 is a wasteful number, since it uses less digits than its factorization.

38725164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075709 (or 1075704 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 38725164 is about 6222.9546037232. The cubic root of 38725164 is about 338.3226614336.

The spelling of 38725164 in words is "thirty-eight million, seven hundred twenty-five thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 1075699 2151398 3227097 4302796 6454194 9681291 12908388 19362582 38725164