Base | Representation |
---|---|
bin | 110011011101… |
… | …100001100111 |
3 | 221101101011222 |
4 | 303131201213 |
5 | 11423142104 |
6 | 1201050555 |
7 | 222444155 |
oct | 63354147 |
9 | 27341158 |
10 | 13490279 |
11 | 76844a0 |
12 | 4626a5b |
13 | 2a4441a |
14 | 1b123d5 |
15 | 12b71be |
hex | cdd867 |
13490279 has 8 divisors (see below), whose sum is σ = 14848272. Its totient is φ = 12154240.
The previous prime is 13490251. The next prime is 13490293. The reversal of 13490279 is 97209431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13490279 - 28 = 13490023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13490179) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4184 + ... + 6669.
It is an arithmetic number, because the mean of its divisors is an integer number (1856034).
Almost surely, 213490279 is an apocalyptic number.
13490279 is a deficient number, since it is larger than the sum of its proper divisors (1357993).
13490279 is a wasteful number, since it uses less digits than its factorization.
13490279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10977.
The product of its (nonzero) digits is 13608, while the sum is 35.
The square root of 13490279 is about 3672.9115154057. The cubic root of 13490279 is about 238.0529917546.
The spelling of 13490279 in words is "thirteen million, four hundred ninety thousand, two hundred seventy-nine".
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