Base | Representation |
---|---|
bin | 110010011100… |
… | …110000110111 |
3 | 220212220022101 |
4 | 302130300313 |
5 | 11341200030 |
6 | 1151242531 |
7 | 220260616 |
oct | 62346067 |
9 | 26786271 |
10 | 13225015 |
11 | 7513171 |
12 | 4519447 |
13 | 298076b |
14 | 1a8387d |
15 | 12637ca |
hex | c9cc37 |
13225015 has 16 divisors (see below), whose sum is σ = 16531200. Its totient is φ = 10144512.
The previous prime is 13224989. The next prime is 13225039. The reversal of 13225015 is 51052231.
It is a cyclic number.
It is not a de Polignac number, because 13225015 - 211 = 13222967 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13224983 and 13225001.
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 15 ways as a sum of consecutive naturals, for example, 32131 + ... + 32539.
It is an arithmetic number, because the mean of its divisors is an integer number (1033200).
Almost surely, 213225015 is an apocalyptic number.
13225015 is a deficient number, since it is larger than the sum of its proper divisors (3306185).
13225015 is a wasteful number, since it uses less digits than its factorization.
13225015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 13225015 is about 3636.6213715480. The cubic root of 13225015 is about 236.4823456287.
Adding to 13225015 its reverse (51052231), we get a palindrome (64277246).
The spelling of 13225015 in words is "thirteen million, two hundred twenty-five thousand, fifteen".
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