Base | Representation |
---|---|
bin | 1001000101100… |
… | …0101111101101 |
3 | 2122201022011100 |
4 | 2101120233231 |
5 | 34224042422 |
6 | 3440513313 |
7 | 641643252 |
oct | 221305755 |
9 | 78638140 |
10 | 38112237 |
11 | 1a571319 |
12 | 1091b839 |
13 | 7b85527 |
14 | 50c1429 |
15 | 352c7ac |
hex | 2458bed |
38112237 has 12 divisors (see below), whose sum is σ = 56827264. Its totient is φ = 24588360.
The previous prime is 38112199. The next prime is 38112259. The reversal of 38112237 is 73221183.
It is a de Polignac number, because none of the positive numbers 2k-38112237 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38112237.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38112287) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68023 + ... + 68580.
Almost surely, 238112237 is an apocalyptic number.
It is an amenable number.
38112237 is a deficient number, since it is larger than the sum of its proper divisors (18715027).
38112237 is a wasteful number, since it uses less digits than its factorization.
38112237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136640 (or 136637 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 38112237 is about 6173.5109135726. The cubic root of 38112237 is about 336.5282136094.
The spelling of 38112237 in words is "thirty-eight million, one hundred twelve thousand, two hundred thirty-seven".
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