Base | Representation |
---|---|
bin | 111001110000… |
… | …000010111111 |
3 | 1001111010210222 |
4 | 321300002333 |
5 | 12333422012 |
6 | 1300251555 |
7 | 242452022 |
oct | 71600277 |
9 | 31433728 |
10 | 15139007 |
11 | 8600184 |
12 | 50a0bbb |
13 | 31a09c0 |
14 | 20211b9 |
15 | 14e0972 |
hex | e700bf |
15139007 has 8 divisors (see below), whose sum is σ = 16511040. Its totient is φ = 13796640.
The previous prime is 15139001. The next prime is 15139009. The reversal of 15139007 is 70093151.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 15139007 - 214 = 15122623 is a prime.
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 pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6344 + ... + 8397.
It is an arithmetic number, because the mean of its divisors is an integer number (2063880).
Almost surely, 215139007 is an apocalyptic number.
15139007 is a deficient number, since it is larger than the sum of its proper divisors (1372033).
15139007 is a wasteful number, since it uses less digits than its factorization.
15139007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14833.
The product of its (nonzero) digits is 945, while the sum is 26.
The square root of 15139007 is about 3890.8876879190. The cubic root of 15139007 is about 247.3806900374.
The spelling of 15139007 in words is "fifteen million, one hundred thirty-nine thousand, seven".
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