Base | Representation |
---|---|
bin | 1001000011111… |
… | …0100010111000 |
3 | 2122111211221122 |
4 | 2100332202320 |
5 | 34212124140 |
6 | 3434324412 |
7 | 641015342 |
oct | 220764270 |
9 | 78454848 |
10 | 38004920 |
11 | 1a4a8728 |
12 | 10889708 |
13 | 7b48725 |
14 | 5094292 |
15 | 350aab5 |
hex | 243e8b8 |
38004920 has 32 divisors (see below), whose sum is σ = 87825600. Its totient is φ = 14790528.
The previous prime is 38004913. The next prime is 38004937. The reversal of 38004920 is 2940083.
It is a self number, because there is not a number n which added to its sum of digits gives 38004920.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11360 + ... + 14319.
It is an arithmetic number, because the mean of its divisors is an integer number (2744550).
Almost surely, 238004920 is an apocalyptic number.
It is an amenable number.
38004920 is an abundant number, since it is smaller than the sum of its proper divisors (49820680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38004920 is a wasteful number, since it uses less digits than its factorization.
38004920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25727 (or 25723 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 38004920 is about 6164.8130547487. The cubic root of 38004920 is about 336.2120496318.
The spelling of 38004920 in words is "thirty-eight million, four thousand, nine hundred twenty".
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