Base | Representation |
---|---|
bin | 111100000000… |
… | …010111001101 |
3 | 1002121011200020 |
4 | 330000113031 |
5 | 13011331000 |
6 | 1321052353 |
7 | 250463265 |
oct | 74002715 |
9 | 32534606 |
10 | 15730125 |
11 | 8974304 |
12 | 53270b9 |
13 | 3349a88 |
14 | 21367a5 |
15 | 15aaba0 |
hex | f005cd |
15730125 has 16 divisors (see below), whose sum is σ = 26175552. Its totient is φ = 8389200.
The previous prime is 15730111. The next prime is 15730129. The reversal of 15730125 is 52103751.
It is not a de Polignac number, because 15730125 - 24 = 15730109 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 15730095 and 15730104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15730129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20599 + ... + 21348.
It is an arithmetic number, because the mean of its divisors is an integer number (1635972).
Almost surely, 215730125 is an apocalyptic number.
15730125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
15730125 is a deficient number, since it is larger than the sum of its proper divisors (10445427).
15730125 is an equidigital number, since it uses as much as digits as its factorization.
15730125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41965 (or 41955 counting only the distinct ones).
The product of its (nonzero) digits is 1050, while the sum is 24.
The square root of 15730125 is about 3966.1221615074. The cubic root of 15730125 is about 250.5594139571.
Adding to 15730125 its reverse (52103751), we get a palindrome (67833876).
The spelling of 15730125 in words is "fifteen million, seven hundred thirty thousand, one hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •