Base | Representation |
---|---|
bin | 110101001101… |
… | …111110010001 |
3 | 222020202222201 |
4 | 311031332101 |
5 | 12032411430 |
6 | 1215003201 |
7 | 226403035 |
oct | 65157621 |
9 | 28222881 |
10 | 13950865 |
11 | 7969545 |
12 | 4809501 |
13 | 2b75c66 |
14 | 1bd21c5 |
15 | 13588ca |
hex | d4df91 |
13950865 has 8 divisors (see below), whose sum is σ = 17149608. Its totient is φ = 10888320.
The previous prime is 13950851. The next prime is 13950901. The reversal of 13950865 is 56805931.
It can be written as a sum of positive squares in 4 ways, for example, as 201601 + 13749264 = 449^2 + 3708^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13950865 - 27 = 13950737 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33822 + ... + 34231.
It is an arithmetic number, because the mean of its divisors is an integer number (2143701).
Almost surely, 213950865 is an apocalyptic number.
It is an amenable number.
13950865 is a deficient number, since it is larger than the sum of its proper divisors (3198743).
13950865 is an equidigital number, since it uses as much as digits as its factorization.
13950865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68099.
The product of its (nonzero) digits is 32400, while the sum is 37.
The square root of 13950865 is about 3735.0856750549. The cubic root of 13950865 is about 240.7319379629.
The spelling of 13950865 in words is "thirteen million, nine hundred fifty thousand, eight hundred sixty-five".
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