Base | Representation |
---|---|
bin | 110010010111… |
… | …110110000101 |
3 | 220211212200020 |
4 | 302113312011 |
5 | 11340023434 |
6 | 1151005353 |
7 | 220145106 |
oct | 62276605 |
9 | 26755606 |
10 | 13204869 |
11 | 74aa017 |
12 | 4509859 |
13 | 2974542 |
14 | 1a7a3ad |
15 | 125c849 |
hex | c97d85 |
13204869 has 8 divisors (see below), whose sum is σ = 18642240. Its totient is φ = 8285376.
The previous prime is 13204847. The next prime is 13204879. The reversal of 13204869 is 96840231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13204869 - 25 = 13204837 is a prime.
It is a super-2 number, since 2×132048692 = 348737130614322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13204879) by changing a digit.
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, 129409 + ... + 129510.
It is an arithmetic number, because the mean of its divisors is an integer number (2330280).
Almost surely, 213204869 is an apocalyptic number.
It is an amenable number.
13204869 is a deficient number, since it is larger than the sum of its proper divisors (5437371).
13204869 is a wasteful number, since it uses less digits than its factorization.
13204869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258939.
The product of its (nonzero) digits is 10368, while the sum is 33.
The square root of 13204869 is about 3633.8504372084. The cubic root of 13204869 is about 236.3622047564.
The spelling of 13204869 in words is "thirteen million, two hundred four thousand, eight hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •