Base | Representation |
---|---|
bin | 111001110000… |
… | …000010111000 |
3 | 1001111010210201 |
4 | 321300002320 |
5 | 12333422000 |
6 | 1300251544 |
7 | 242452012 |
oct | 71600270 |
9 | 31433721 |
10 | 15139000 |
11 | 8600178 |
12 | 50a0bb4 |
13 | 31a09b6 |
14 | 20211b2 |
15 | 14e096a |
hex | e700b8 |
15139000 has 32 divisors (see below), whose sum is σ = 35427600. Its totient is φ = 6055200.
The previous prime is 15138971. The next prime is 15139001. The reversal of 15139000 is 93151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15139001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6570 + ... + 8569.
Almost surely, 215139000 is an apocalyptic number.
15139000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15139000 is an abundant number, since it is smaller than the sum of its proper divisors (20288600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15139000 is a wasteful number, since it uses less digits than its factorization.
15139000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15160 (or 15146 counting only the distinct ones).
The product of its (nonzero) digits is 135, while the sum is 19.
The square root of 15139000 is about 3890.8867883813. The cubic root of 15139000 is about 247.3806519093.
The spelling of 15139000 in words is "fifteen million, one hundred thirty-nine thousand".
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