Base | Representation |
---|---|
bin | 110011010100… |
… | …010101010111 |
3 | 221022110112121 |
4 | 303110111113 |
5 | 11420441011 |
6 | 1200200411 |
7 | 222226333 |
oct | 63242527 |
9 | 27273477 |
10 | 13452631 |
11 | 7659185 |
12 | 4609107 |
13 | 2a3024a |
14 | 1b027c3 |
15 | 12aae71 |
hex | cd4557 |
13452631 has 4 divisors (see below), whose sum is σ = 14037552. Its totient is φ = 12867712.
The previous prime is 13452629. The next prime is 13452641. The reversal of 13452631 is 13625431.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13452631 - 21 = 13452629 is a prime.
It is a super-2 number, since 2×134526312 = 361946561644322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13452596 and 13452605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13452601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292426 + ... + 292471.
It is an arithmetic number, because the mean of its divisors is an integer number (3509388).
Almost surely, 213452631 is an apocalyptic number.
13452631 is a deficient number, since it is larger than the sum of its proper divisors (584921).
13452631 is an equidigital number, since it uses as much as digits as its factorization.
13452631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 584920.
The product of its digits is 2160, while the sum is 25.
The square root of 13452631 is about 3667.7828452622. The cubic root of 13452631 is about 237.8313366135.
The spelling of 13452631 in words is "thirteen million, four hundred fifty-two thousand, six hundred thirty-one".
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