Base | Representation |
---|---|
bin | 111010010100… |
… | …111100001101 |
3 | 1001202211002221 |
4 | 322110330031 |
5 | 12403241000 |
6 | 1303415341 |
7 | 243651424 |
oct | 72247415 |
9 | 31684087 |
10 | 15290125 |
11 | 86a3774 |
12 | 5154551 |
13 | 3224716 |
14 | 20602bb |
15 | 152061a |
hex | e94f0d |
15290125 has 8 divisors (see below), whose sum is σ = 19082232. Its totient is φ = 12232000.
The previous prime is 15290113. The next prime is 15290153. The reversal of 15290125 is 52109251.
It can be written as a sum of positive squares in 4 ways, for example, as 1295044 + 13995081 = 1138^2 + 3741^2 .
It is a de Polignac number, because none of the positive numbers 2k-15290125 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 15290125.
It is a congruent number.
It is an unprimeable number.
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, 61036 + ... + 61285.
It is an arithmetic number, because the mean of its divisors is an integer number (2385279).
Almost surely, 215290125 is an apocalyptic number.
It is an amenable number.
15290125 is a deficient number, since it is larger than the sum of its proper divisors (3792107).
15290125 is an equidigital number, since it uses as much as digits as its factorization.
15290125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122336 (or 122326 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 25.
The square root of 15290125 is about 3910.2589428323. The cubic root of 15290125 is about 248.2010866913.
Adding to 15290125 its reverse (52109251), we get a palindrome (67399376).
The spelling of 15290125 in words is "fifteen million, two hundred ninety thousand, one hundred twenty-five".
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