Base | Representation |
---|---|
bin | 110010011100… |
… | …110110011010 |
3 | 220212220210112 |
4 | 302130312122 |
5 | 11341202440 |
6 | 1151244322 |
7 | 220261634 |
oct | 62346632 |
9 | 26786715 |
10 | 13225370 |
11 | 7513464 |
12 | 45196a2 |
13 | 2980982 |
14 | 1a83a54 |
15 | 1263965 |
hex | c9cd9a |
13225370 has 16 divisors (see below), whose sum is σ = 24387048. Its totient is φ = 5160960.
The previous prime is 13225369. The next prime is 13225393. The reversal of 13225370 is 7352231.
It can be written as a sum of positive squares in 4 ways, for example, as 5480281 + 7745089 = 2341^2 + 2783^2 .
It is a Curzon 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, 15719 + ... + 16538.
Almost surely, 213225370 is an apocalyptic number.
13225370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13225370 is a deficient number, since it is larger than the sum of its proper divisors (11161678).
13225370 is a wasteful number, since it uses less digits than its factorization.
13225370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32305.
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 13225370 is about 3636.6701802611. The cubic root of 13225370 is about 236.4844615805.
The spelling of 13225370 in words is "thirteen million, two hundred twenty-five thousand, three hundred seventy".
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