Base | Representation |
---|---|
bin | 110001111011… |
… | …101110010101 |
3 | 220122000200011 |
4 | 301323232111 |
5 | 11322332220 |
6 | 1144320221 |
7 | 216155230 |
oct | 61735625 |
9 | 26560604 |
10 | 13089685 |
11 | 7430524 |
12 | 4473071 |
13 | 2933c9b |
14 | 1a4a417 |
15 | 123865a |
hex | c7bb95 |
13089685 has 16 divisors (see below), whose sum is σ = 18248832. Its totient is φ = 8827200.
The previous prime is 13089667. The next prime is 13089709. The reversal of 13089685 is 58698031.
It is a happy number.
It is not a de Polignac number, because 13089685 - 25 = 13089653 is a prime.
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, 931 + ... + 5200.
It is an arithmetic number, because the mean of its divisors is an integer number (1140552).
Almost surely, 213089685 is an apocalyptic number.
It is an amenable number.
13089685 is a deficient number, since it is larger than the sum of its proper divisors (5159147).
13089685 is an equidigital number, since it uses as much as digits as its factorization.
13089685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6204.
The product of its (nonzero) digits is 51840, while the sum is 40.
The square root of 13089685 is about 3617.9669705513. The cubic root of 13089685 is about 235.6729466181.
The spelling of 13089685 in words is "thirteen million, eighty-nine thousand, six hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •