Base | Representation |
---|---|
bin | 1001010001000… |
… | …1011010101011 |
3 | 2201010201202200 |
4 | 2110101122223 |
5 | 34422244101 |
6 | 3505031243 |
7 | 651243453 |
oct | 224213253 |
9 | 81121680 |
10 | 38868651 |
11 | 1aa38658 |
12 | 11025523 |
13 | 808b903 |
14 | 523ad63 |
15 | 362b986 |
hex | 25116ab |
38868651 has 24 divisors (see below), whose sum is σ = 57819216. Its totient is φ = 25151040.
The previous prime is 38868649. The next prime is 38868659. The reversal of 38868651 is 15686883.
It is not a de Polignac number, because 38868651 - 21 = 38868649 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38868597 and 38868606.
It is not an unprimeable number, because it can be changed into a prime (38868659) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45141 + ... + 45993.
It is an arithmetic number, because the mean of its divisors is an integer number (2409134).
Almost surely, 238868651 is an apocalyptic number.
38868651 is a deficient number, since it is larger than the sum of its proper divisors (18950565).
38868651 is a wasteful number, since it uses less digits than its factorization.
38868651 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1003 (or 1000 counting only the distinct ones).
The product of its digits is 276480, while the sum is 45.
The square root of 38868651 is about 6234.4727924661. The cubic root of 38868651 is about 338.7400047885.
The spelling of 38868651 in words is "thirty-eight million, eight hundred sixty-eight thousand, six hundred fifty-one".
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