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38937072 = 2431747717
BaseRepresentation
bin1001010010001…
…0000111110000
32201021012121210
42110202013300
534431441242
63510320120
7651650106
oct224420760
981235553
1038937072
111aa84aa9
1211059040
1380b3ab5
145257c76
153641d9c
hex25221f0

38937072 has 40 divisors (see below), whose sum is σ = 106506576. Its totient is φ = 12215296.

The previous prime is 38937047. The next prime is 38937077. The reversal of 38937072 is 27073983.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38937072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38937077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23043 + ... + 24674.

Almost surely, 238937072 is an apocalyptic number.

It is an amenable number.

38937072 is an abundant number, since it is smaller than the sum of its proper divisors (67569504).

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

38937072 is a wasteful number, since it uses less digits than its factorization.

38937072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47745 (or 47739 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 38937072 is about 6239.9576921643. The cubic root of 38937072 is about 338.9386511098.

The spelling of 38937072 in words is "thirty-eight million, nine hundred thirty-seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 47717 95434 143151 190868 286302 381736 572604 763472 811189 1145208 1622378 2290416 2433567 3244756 4867134 6489512 9734268 12979024 19468536 38937072