Base | Representation |
---|---|
bin | 10111001100000… |
… | …000111101011001 |
3 | 1000010000112211111 |
4 | 113030000331121 |
5 | 1244042310000 |
6 | 102334100321 |
7 | 12432443332 |
oct | 2714007531 |
9 | 1003015744 |
10 | 389025625 |
11 | 18a65a78a |
12 | aa34a6a1 |
13 | 6279b3a1 |
14 | 39949289 |
15 | 24246cba |
hex | 17300f59 |
389025625 has 20 divisors (see below), whose sum is σ = 492342400. Its totient is φ = 307242000.
The previous prime is 389025617. The next prime is 389025641. The reversal of 389025625 is 526520983.
It is not a de Polignac number, because 389025625 - 23 = 389025617 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45436 + ... + 53314.
It is an arithmetic number, because the mean of its divisors is an integer number (24617120).
Almost surely, 2389025625 is an apocalyptic number.
It is an amenable number.
389025625 is a deficient number, since it is larger than the sum of its proper divisors (103316775).
389025625 is an frugal number, since it uses more digits than its factorization.
389025625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7978 (or 7963 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 40.
The square root of 389025625 is about 19723.7325321553. The cubic root of 389025625 is about 730.0053949686.
The spelling of 389025625 in words is "three hundred eighty-nine million, twenty-five thousand, six hundred twenty-five".
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