Base | Representation |
---|---|
bin | 1001000111100… |
… | …1111000010101 |
3 | 2122222012100000 |
4 | 2101321320111 |
5 | 34242413312 |
6 | 3443441513 |
7 | 643050036 |
oct | 221717025 |
9 | 78865300 |
10 | 38247957 |
11 | 1a654290 |
12 | 10986299 |
13 | 7c02237 |
14 | 5118a8d |
15 | 3557adc |
hex | 2479e15 |
38247957 has 48 divisors (see below), whose sum is σ = 64209600. Its totient is φ = 22550400.
The previous prime is 38247953. The next prime is 38247959. The reversal of 38247957 is 75974283.
38247957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38247957 - 22 = 38247953 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38247953) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 109419 + ... + 109767.
It is an arithmetic number, because the mean of its divisors is an integer number (1337700).
Almost surely, 238247957 is an apocalyptic number.
It is an amenable number.
38247957 is a deficient number, since it is larger than the sum of its proper divisors (25961643).
38247957 is a wasteful number, since it uses less digits than its factorization.
38247957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 416 (or 404 counting only the distinct ones).
The product of its digits is 423360, while the sum is 45.
The square root of 38247957 is about 6184.4932694603. The cubic root of 38247957 is about 336.9272062011.
It can be divided in two parts, 38247 and 957, that added together give a square (39204 = 1982).
The spelling of 38247957 in words is "thirty-eight million, two hundred forty-seven thousand, nine hundred fifty-seven".
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