Base | Representation |
---|---|
bin | 110010000101… |
… | …110001001010 |
3 | 220201010002220 |
4 | 302011301022 |
5 | 11330141301 |
6 | 1145234510 |
7 | 216416202 |
oct | 62056112 |
9 | 26633086 |
10 | 13130826 |
11 | 7459425 |
12 | 4492a36 |
13 | 2949927 |
14 | 1a5b402 |
15 | 1245936 |
hex | c85c4a |
13130826 has 32 divisors (see below), whose sum is σ = 26889408. Its totient is φ = 4273920.
The previous prime is 13130807. The next prime is 13130837. The reversal of 13130826 is 62803131.
It is a junction number, because it is equal to n+sod(n) for n = 13130796 and 13130805.
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, 72456 + ... + 72636.
It is an arithmetic number, because the mean of its divisors is an integer number (840294).
Almost surely, 213130826 is an apocalyptic number.
13130826 is an abundant number, since it is smaller than the sum of its proper divisors (13758582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13130826 is a wasteful number, since it uses less digits than its factorization.
13130826 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 406.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 13130826 is about 3623.6481617287. The cubic root of 13130826 is about 235.9195958023.
Adding to 13130826 its reverse (62803131), we get a palindrome (75933957).
The spelling of 13130826 in words is "thirteen million, one hundred thirty thousand, eight hundred twenty-six".
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