Base | Representation |
---|---|
bin | 110001110100… |
… | …110101010000 |
3 | 220120120221122 |
4 | 301310311100 |
5 | 11320431311 |
6 | 1143541412 |
7 | 216010022 |
oct | 61646520 |
9 | 26516848 |
10 | 13061456 |
11 | 74112a1 |
12 | 445a868 |
13 | 2924195 |
14 | 1a40012 |
15 | 12300db |
hex | c74d50 |
13061456 has 10 divisors (see below), whose sum is σ = 25306602. Its totient is φ = 6530720.
The previous prime is 13061431. The next prime is 13061459. The reversal of 13061456 is 65416031.
It can be written as a sum of positive squares in only one way, i.e., 11669056 + 1392400 = 3416^2 + 1180^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13061459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408155 + ... + 408186.
Almost surely, 213061456 is an apocalyptic number.
13061456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
13061456 is a deficient number, since it is larger than the sum of its proper divisors (12245146).
13061456 is an equidigital number, since it uses as much as digits as its factorization.
13061456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816349 (or 816343 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 13061456 is about 3614.0636408342. The cubic root of 13061456 is about 235.5034085481.
Adding to 13061456 its reverse (65416031), we get a palindrome (78477487).
The spelling of 13061456 in words is "thirteen million, sixty-one thousand, four hundred fifty-six".
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