Base | Representation |
---|---|
bin | 1001010000000… |
… | …0100000011011 |
3 | 2201000012202100 |
4 | 2110000200123 |
5 | 34413040022 |
6 | 3503334443 |
7 | 650534514 |
oct | 224004033 |
9 | 81005670 |
10 | 38799387 |
11 | 1a9a0610 |
12 | 10bb1423 |
13 | 8066223 |
14 | 521da0b |
15 | 36161ac |
hex | 250081b |
38799387 has 24 divisors (see below), whose sum is σ = 64359360. Its totient is φ = 22276080.
The previous prime is 38799337. The next prime is 38799401. The reversal of 38799387 is 78399783.
It is not a de Polignac number, because 38799387 - 26 = 38799323 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38799307) 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, 8433 + ... + 12194.
It is an arithmetic number, because the mean of its divisors is an integer number (2681640).
Almost surely, 238799387 is an apocalyptic number.
38799387 is a deficient number, since it is larger than the sum of its proper divisors (25559973).
38799387 is a wasteful number, since it uses less digits than its factorization.
38799387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20663 (or 20660 counting only the distinct ones).
The product of its digits is 2286144, while the sum is 54.
The square root of 38799387 is about 6228.9153951551. The cubic root of 38799387 is about 338.5386734016.
The spelling of 38799387 in words is "thirty-eight million, seven hundred ninety-nine thousand, three hundred eighty-seven".
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