Base | Representation |
---|---|
bin | 110001100111… |
… | …111111101000 |
3 | 220110220211002 |
4 | 301213333220 |
5 | 11312240442 |
6 | 1142454132 |
7 | 215400512 |
oct | 61477750 |
9 | 26426732 |
10 | 13008872 |
11 | 7385838 |
12 | 4434348 |
13 | 2906276 |
14 | 1a28bb2 |
15 | 121e732 |
hex | c67fe8 |
13008872 has 8 divisors (see below), whose sum is σ = 24391650. Its totient is φ = 6504432.
The previous prime is 13008811. The next prime is 13008881. The reversal of 13008872 is 27880031.
It can be written as a sum of positive squares in only one way, i.e., 6728836 + 6280036 = 2594^2 + 2506^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813047 + ... + 813062.
Almost surely, 213008872 is an apocalyptic number.
It is an amenable number.
13008872 is a deficient number, since it is larger than the sum of its proper divisors (11382778).
13008872 is a wasteful number, since it uses less digits than its factorization.
13008872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1626115 (or 1626111 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 13008872 is about 3606.7813906584. The cubic root of 13008872 is about 235.1869464580.
The spelling of 13008872 in words is "thirteen million, eight thousand, eight hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.134 sec. • engine limits •