Base | Representation |
---|---|
bin | 111001101010… |
… | …101010001011 |
3 | 1001110000112122 |
4 | 321222222023 |
5 | 12332220224 |
6 | 1300001455 |
7 | 242330465 |
oct | 71525213 |
9 | 31400478 |
10 | 15116939 |
11 | 8595642 |
12 | 509028b |
13 | 3193946 |
14 | 2017135 |
15 | 14d915e |
hex | e6aa8b |
15116939 has 8 divisors (see below), whose sum is σ = 15532608. Its totient is φ = 14705280.
The previous prime is 15116897. The next prime is 15117013. The reversal of 15116939 is 93961151.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15116939 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15116899 and 15116908.
It is not an unprimeable number, because it can be changed into a prime (15112939) 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, 7619 + ... + 9395.
It is an arithmetic number, because the mean of its divisors is an integer number (1941576).
Almost surely, 215116939 is an apocalyptic number.
15116939 is a deficient number, since it is larger than the sum of its proper divisors (415669).
15116939 is a wasteful number, since it uses less digits than its factorization.
15116939 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2005.
The product of its digits is 7290, while the sum is 35.
The square root of 15116939 is about 3888.0507969933. The cubic root of 15116939 is about 247.2604300180.
The spelling of 15116939 in words is "fifteen million, one hundred sixteen thousand, nine hundred thirty-nine".
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