Base | Representation |
---|---|
bin | 1001001001110… |
… | …0000100001110 |
3 | 2200020022102010 |
4 | 2102130010032 |
5 | 34311403412 |
6 | 3450442050 |
7 | 644202213 |
oct | 222340416 |
9 | 80208363 |
10 | 38387982 |
11 | 1a73a506 |
12 | 10a33326 |
13 | 7c50ba9 |
14 | 5153b0a |
15 | 358433c |
hex | 249c10e |
38387982 has 32 divisors (see below), whose sum is σ = 79764480. Its totient is φ = 12303360.
The previous prime is 38387977. The next prime is 38388017. The reversal of 38387982 is 28978383.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32718 + ... + 33870.
It is an arithmetic number, because the mean of its divisors is an integer number (2492640).
Almost surely, 238387982 is an apocalyptic number.
38387982 is an abundant number, since it is smaller than the sum of its proper divisors (41376498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38387982 is a wasteful number, since it uses less digits than its factorization.
38387982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1368.
The product of its digits is 580608, while the sum is 48.
The square root of 38387982 is about 6195.8035798434. The cubic root of 38387982 is about 337.3378667061.
The spelling of 38387982 in words is "thirty-eight million, three hundred eighty-seven thousand, nine hundred eighty-two".
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