Base | Representation |
---|---|
bin | 110011111111… |
… | …111110001010 |
3 | 221122112201120 |
4 | 303333332022 |
5 | 11442200440 |
6 | 1204100110 |
7 | 223602414 |
oct | 63777612 |
9 | 27575646 |
10 | 13631370 |
11 | 77704a5 |
12 | 4694636 |
13 | 2a936cc |
14 | 1b4b9b4 |
15 | 12e3dd0 |
hex | cfff8a |
13631370 has 16 divisors (see below), whose sum is σ = 32715360. Its totient is φ = 3635024.
The previous prime is 13631369. The next prime is 13631377. The reversal of 13631370 is 7313631.
It is a self number, because there is not a number n which added to its sum of digits gives 13631370.
It is not an unprimeable number, because it can be changed into a prime (13631377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227160 + ... + 227219.
It is an arithmetic number, because the mean of its divisors is an integer number (2044710).
Almost surely, 213631370 is an apocalyptic number.
13631370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13631370 is an abundant number, since it is smaller than the sum of its proper divisors (19083990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13631370 is a wasteful number, since it uses less digits than its factorization.
13631370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454389.
The product of its (nonzero) digits is 1134, while the sum is 24.
The square root of 13631370 is about 3692.0685259079. The cubic root of 13631370 is about 238.8800247497.
The spelling of 13631370 in words is "thirteen million, six hundred thirty-one thousand, three hundred seventy".
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