Base | Representation |
---|---|
bin | 110010101001… |
… | …111101111001 |
3 | 220222122111102 |
4 | 302221331321 |
5 | 11344412342 |
6 | 1152341145 |
7 | 220604366 |
oct | 62517571 |
9 | 26878442 |
10 | 13279097 |
11 | 754a867 |
12 | 45447b5 |
13 | 299c270 |
14 | 1a9946d |
15 | 1274832 |
hex | ca9f79 |
13279097 has 8 divisors (see below), whose sum is σ = 14571144. Its totient is φ = 12025728.
The previous prime is 13279093. The next prime is 13279099. The reversal of 13279097 is 79097231.
It can be written as a sum of positive squares in 4 ways, for example, as 1915456 + 11363641 = 1384^2 + 3371^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13279097 - 22 = 13279093 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13279097.
It is not an unprimeable number, because it can be changed into a prime (13279093) 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, 8948 + ... + 10325.
It is an arithmetic number, because the mean of its divisors is an integer number (1821393).
Almost surely, 213279097 is an apocalyptic number.
It is an amenable number.
13279097 is a deficient number, since it is larger than the sum of its proper divisors (1292047).
13279097 is a wasteful number, since it uses less digits than its factorization.
13279097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19339.
The product of its (nonzero) digits is 23814, while the sum is 38.
The square root of 13279097 is about 3644.0495331430. The cubic root of 13279097 is about 236.8042619397.
The spelling of 13279097 in words is "thirteen million, two hundred seventy-nine thousand, ninety-seven".
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