Base | Representation |
---|---|
bin | 10111000100011… |
… | …100000000101000 |
3 | 222222021122001212 |
4 | 113010130000220 |
5 | 1243040224042 |
6 | 102223332252 |
7 | 12406531244 |
oct | 2704340050 |
9 | 888248055 |
10 | 387039272 |
11 | 189523374 |
12 | a9751088 |
13 | 62254229 |
14 | 3958d424 |
15 | 23ea3482 |
hex | 1711c028 |
387039272 has 64 divisors (see below), whose sum is σ = 817387200. Its totient is φ = 170726400.
The previous prime is 387039269. The next prime is 387039281. The reversal of 387039272 is 272930783.
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, 260243 + ... + 261725.
It is an arithmetic number, because the mean of its divisors is an integer number (12771675).
Almost surely, 2387039272 is an apocalyptic number.
It is an amenable number.
387039272 is an abundant number, since it is smaller than the sum of its proper divisors (430347928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387039272 is a wasteful number, since it uses less digits than its factorization.
387039272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1626 (or 1622 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 41.
The square root of 387039272 is about 19673.3137015603. The cubic root of 387039272 is about 728.7608125167.
The spelling of 387039272 in words is "three hundred eighty-seven million, thirty-nine thousand, two hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •