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38956688 = 2419128147
BaseRepresentation
bin1001010010011…
…0111010010000
32201022012112022
42110212322100
534433103223
63510551012
7652061231
oct224467220
981265468
1038956688
111aa98811
1211068468
1380bc9c4
145261088
153647ac8
hex2526e90

38956688 has 20 divisors (see below), whose sum is σ = 79451760. Its totient is φ = 18453024.

The previous prime is 38956679. The next prime is 38956691. The reversal of 38956688 is 88665983.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63770 + ... + 64377.

It is an arithmetic number, because the mean of its divisors is an integer number (3972588).

Almost surely, 238956688 is an apocalyptic number.

38956688 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38956688 is an abundant number, since it is smaller than the sum of its proper divisors (40495072).

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

38956688 is a wasteful number, since it uses less digits than its factorization.

38956688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128174 (or 128168 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 38956688 is about 6241.5292997790. The cubic root of 38956688 is about 338.9955592101.

The spelling of 38956688 in words is "thirty-eight million, nine hundred fifty-six thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 128147 256294 512588 1025176 2050352 2434793 4869586 9739172 19478344 38956688