Base | Representation |
---|---|
bin | 110011111111… |
… | …111111111010 |
3 | 221122112212201 |
4 | 303333333322 |
5 | 11442201412 |
6 | 1204100414 |
7 | 223602634 |
oct | 63777772 |
9 | 27575781 |
10 | 13631482 |
11 | 7770597 |
12 | 469470a |
13 | 2a93787 |
14 | 1b4ba54 |
15 | 12e3e57 |
hex | cffffa |
13631482 has 4 divisors (see below), whose sum is σ = 20447226. Its totient is φ = 6815740.
The previous prime is 13631477. The next prime is 13631489. The reversal of 13631482 is 28413631.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28413631 = 3049 ⋅9319.
It can be written as a sum of positive squares in only one way, i.e., 13111641 + 519841 = 3621^2 + 721^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 13631482.
It is not an unprimeable number, because it can be changed into a prime (13631489) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3407869 + ... + 3407872.
Almost surely, 213631482 is an apocalyptic number.
13631482 is a deficient number, since it is larger than the sum of its proper divisors (6815744).
13631482 is an equidigital number, since it uses as much as digits as its factorization.
13631482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6815743.
The product of its digits is 3456, while the sum is 28.
The square root of 13631482 is about 3692.0836935259. The cubic root of 13631482 is about 238.8806789879.
The spelling of 13631482 in words is "thirteen million, six hundred thirty-one thousand, four hundred eighty-two".
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