Base | Representation |
---|---|
bin | 110011010001… |
… | …110011010111 |
3 | 221021221022121 |
4 | 303101303113 |
5 | 11420123023 |
6 | 1200040411 |
7 | 222154162 |
oct | 63216327 |
9 | 27257277 |
10 | 13442263 |
11 | 765140a |
12 | 4603107 |
13 | 2a28603 |
14 | 1adcad9 |
15 | 12a7d5d |
hex | cd1cd7 |
13442263 has 2 divisors, whose sum is σ = 13442264. Its totient is φ = 13442262.
The previous prime is 13442249. The next prime is 13442269. The reversal of 13442263 is 36224431.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13442263 is a prime.
It is a super-2 number, since 2×134422632 = 361388869122338, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13442269) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721131 + 6721132.
It is an arithmetic number, because the mean of its divisors is an integer number (6721132).
Almost surely, 213442263 is an apocalyptic number.
13442263 is a deficient number, since it is larger than the sum of its proper divisors (1).
13442263 is an equidigital number, since it uses as much as digits as its factorization.
13442263 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3456, while the sum is 25.
The square root of 13442263 is about 3666.3691849021. The cubic root of 13442263 is about 237.7702217023.
Adding to 13442263 its reverse (36224431), we get a palindrome (49666694).
The spelling of 13442263 in words is "thirteen million, four hundred forty-two thousand, two hundred sixty-three".
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