Base | Representation |
---|---|
bin | 1001001110001… |
… | …1100001001000 |
3 | 2200210011212121 |
4 | 2103203201020 |
5 | 34400240043 |
6 | 3501021024 |
7 | 646531366 |
oct | 223434110 |
9 | 80704777 |
10 | 38680648 |
11 | 1a91a386 |
12 | 10b54774 |
13 | 8024176 |
14 | 51cc636 |
15 | 35e0ded |
hex | 24e3848 |
38680648 has 8 divisors (see below), whose sum is σ = 72526230. Its totient is φ = 19340320.
The previous prime is 38680633. The next prime is 38680667. The reversal of 38680648 is 84608683.
It can be written as a sum of positive squares in only one way, i.e., 37724164 + 956484 = 6142^2 + 978^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2417533 + ... + 2417548.
Almost surely, 238680648 is an apocalyptic number.
It is an amenable number.
38680648 is a deficient number, since it is larger than the sum of its proper divisors (33845582).
38680648 is a wasteful number, since it uses less digits than its factorization.
38680648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4835087 (or 4835083 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 43.
The square root of 38680648 is about 6219.3768176563. The cubic root of 38680648 is about 338.1929736139.
The spelling of 38680648 in words is "thirty-eight million, six hundred eighty thousand, six hundred forty-eight".
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