Base | Representation |
---|---|
bin | 1001010010001… |
… | …0000111110000 |
3 | 2201021012121210 |
4 | 2110202013300 |
5 | 34431441242 |
6 | 3510320120 |
7 | 651650106 |
oct | 224420760 |
9 | 81235553 |
10 | 38937072 |
11 | 1aa84aa9 |
12 | 11059040 |
13 | 80b3ab5 |
14 | 5257c76 |
15 | 3641d9c |
hex | 25221f0 |
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".
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