Base | Representation |
---|---|
bin | 110001110111… |
… | …111101101001 |
3 | 220121020112122 |
4 | 301313331221 |
5 | 11321334111 |
6 | 1144121025 |
7 | 216062303 |
oct | 61677551 |
9 | 26536478 |
10 | 13074281 |
11 | 741a9a0 |
12 | 4466175 |
13 | 2929c7c |
14 | 1a44973 |
15 | 1233cdb |
hex | c77f69 |
13074281 has 16 divisors (see below), whose sum is σ = 15372288. Its totient is φ = 10995600.
The previous prime is 13074277. The next prime is 13074287. The reversal of 13074281 is 18247031.
It is not a de Polignac number, because 13074281 - 22 = 13074277 is a prime.
It is a super-2 number, since 2×130742812 = 341873647333922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13074281.
It is not an unprimeable number, because it can be changed into a prime (13074287) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7010 + ... + 8676.
It is an arithmetic number, because the mean of its divisors is an integer number (960768).
Almost surely, 213074281 is an apocalyptic number.
13074281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13074281 is a deficient number, since it is larger than the sum of its proper divisors (2298007).
13074281 is a wasteful number, since it uses less digits than its factorization.
13074281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1732.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 13074281 is about 3615.8375240046. The cubic root of 13074281 is about 235.5804633370.
The spelling of 13074281 in words is "thirteen million, seventy-four thousand, two hundred eighty-one".
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