Base | Representation |
---|---|
bin | 1001001110100… |
… | …0011101001000 |
3 | 2200211012121122 |
4 | 2103220131020 |
5 | 34401411442 |
6 | 3501254412 |
7 | 646644350 |
oct | 223503510 |
9 | 80735548 |
10 | 38700872 |
11 | 1a9335a1 |
12 | 10b64408 |
13 | 8030432 |
14 | 51d5b60 |
15 | 35e6dd2 |
hex | 24e8748 |
38700872 has 32 divisors (see below), whose sum is σ = 87297600. Its totient is φ = 15712704.
The previous prime is 38700869. The next prime is 38700913. The reversal of 38700872 is 27800783.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17123 + ... + 19250.
It is an arithmetic number, because the mean of its divisors is an integer number (2728050).
Almost surely, 238700872 is an apocalyptic number.
It is an amenable number.
38700872 is an abundant number, since it is smaller than the sum of its proper divisors (48596728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38700872 is a wasteful number, since it uses less digits than its factorization.
38700872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36405 (or 36401 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 35.
The square root of 38700872 is about 6221.0024915603. The cubic root of 38700872 is about 338.2519042281.
The spelling of 38700872 in words is "thirty-eight million, seven hundred thousand, eight hundred seventy-two".
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