Base | Representation |
---|---|
bin | 110010000110… |
… | …001010100001 |
3 | 220201012100000 |
4 | 302012022201 |
5 | 11330214244 |
6 | 1145250213 |
7 | 216424011 |
oct | 62061241 |
9 | 26635300 |
10 | 13132449 |
11 | 745a670 |
12 | 4493969 |
13 | 294a5a5 |
14 | 1a5bc41 |
15 | 1246169 |
hex | c862a1 |
13132449 has 48 divisors (see below), whose sum is σ = 22800960. Its totient is φ = 7490880.
The previous prime is 13132417. The next prime is 13132487. The reversal of 13132449 is 94423131.
It is not a de Polignac number, because 13132449 - 25 = 13132417 is a prime.
It is a super-2 number, since 2×131324492 = 344922433475202, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13132489) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 772489 + ... + 772505.
It is an arithmetic number, because the mean of its divisors is an integer number (475020).
Almost surely, 213132449 is an apocalyptic number.
It is an amenable number.
13132449 is a deficient number, since it is larger than the sum of its proper divisors (9668511).
13132449 is an frugal number, since it uses more digits than its factorization.
13132449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77 (or 31 counting only the distinct ones).
The product of its digits is 2592, while the sum is 27.
The square root of 13132449 is about 3623.8721003921. The cubic root of 13132449 is about 235.9293154683.
The spelling of 13132449 in words is "thirteen million, one hundred thirty-two thousand, four hundred forty-nine".
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