Base | Representation |
---|---|
bin | 110010011100… |
… | …111110011101 |
3 | 220212221111121 |
4 | 302130332131 |
5 | 11341212020 |
6 | 1151250541 |
7 | 220263301 |
oct | 62347635 |
9 | 26787447 |
10 | 13225885 |
11 | 7513892 |
12 | 4519a51 |
13 | 2980c8a |
14 | 1a83d01 |
15 | 1263baa |
hex | c9cf9d |
13225885 has 16 divisors (see below), whose sum is σ = 16737840. Its totient is φ = 10017280.
The previous prime is 13225873. The next prime is 13225931. The reversal of 13225885 is 58852231.
It can be written as a sum of positive squares in 8 ways, for example, as 423801 + 12802084 = 651^2 + 3578^2 .
It is not a de Polignac number, because 13225885 - 27 = 13225757 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13225885.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6825 + ... + 8545.
It is an arithmetic number, because the mean of its divisors is an integer number (1046115).
Almost surely, 213225885 is an apocalyptic number.
It is an amenable number.
13225885 is a deficient number, since it is larger than the sum of its proper divisors (3511955).
13225885 is a wasteful number, since it uses less digits than its factorization.
13225885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1808.
The product of its digits is 19200, while the sum is 34.
The square root of 13225885 is about 3636.7409861028. The cubic root of 13225885 is about 236.4875311333.
The spelling of 13225885 in words is "thirteen million, two hundred twenty-five thousand, eight hundred eighty-five".
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