Base | Representation |
---|---|
bin | 110010000111… |
… | …000101111110 |
3 | 220201101112221 |
4 | 302013011332 |
5 | 11330330004 |
6 | 1145315554 |
7 | 216441055 |
oct | 62070576 |
9 | 26641487 |
10 | 13136254 |
11 | 746250a |
12 | 4495bba |
13 | 294c241 |
14 | 1a5d39c |
15 | 1247354 |
hex | c8717e |
13136254 has 4 divisors (see below), whose sum is σ = 19704384. Its totient is φ = 6568126.
The previous prime is 13136251. The next prime is 13136267. The reversal of 13136254 is 45263131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45263131 = 31 ⋅1460101.
It is a super-2 number, since 2×131362542 = 345122338305032, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13136251) 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 as a sum of consecutive naturals, namely, 3284062 + ... + 3284065.
It is an arithmetic number, because the mean of its divisors is an integer number (4926096).
Almost surely, 213136254 is an apocalyptic number.
13136254 is a deficient number, since it is larger than the sum of its proper divisors (6568130).
13136254 is an equidigital number, since it uses as much as digits as its factorization.
13136254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6568129.
The product of its digits is 2160, while the sum is 25.
The square root of 13136254 is about 3624.3970533042. The cubic root of 13136254 is about 235.9520993466.
Adding to 13136254 its reverse (45263131), we get a palindrome (58399385).
The spelling of 13136254 in words is "thirteen million, one hundred thirty-six thousand, two hundred fifty-four".
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