Base | Representation |
---|---|
bin | 111001101001… |
… | …101110110011 |
3 | 1001102211022220 |
4 | 321221232303 |
5 | 12332110024 |
6 | 1255532123 |
7 | 242313426 |
oct | 71515663 |
9 | 31384286 |
10 | 15113139 |
11 | 85927a8 |
12 | 508a043 |
13 | 3191cb2 |
14 | 20159bd |
15 | 14d7e79 |
hex | e69bb3 |
15113139 has 8 divisors (see below), whose sum is σ = 21027072. Its totient is φ = 9637320.
The previous prime is 15113101. The next prime is 15113141. The reversal of 15113139 is 93131151.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 15113139 - 27 = 15113011 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (15113159) 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, 109447 + ... + 109584.
It is an arithmetic number, because the mean of its divisors is an integer number (2628384).
Almost surely, 215113139 is an apocalyptic number.
15113139 is a deficient number, since it is larger than the sum of its proper divisors (5913933).
15113139 is a wasteful number, since it uses less digits than its factorization.
15113139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219057.
The product of its digits is 405, while the sum is 24.
The square root of 15113139 is about 3887.5620895363. The cubic root of 15113139 is about 247.2397100302.
The spelling of 15113139 in words is "fifteen million, one hundred thirteen thousand, one hundred thirty-nine".
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