Base | Representation |
---|---|
bin | 110100001101… |
… | …100100001010 |
3 | 221202101002210 |
4 | 310031210022 |
5 | 12000441200 |
6 | 1205205550 |
7 | 224223636 |
oct | 64154412 |
9 | 27671083 |
10 | 13687050 |
11 | 77a9313 |
12 | 47008b6 |
13 | 2ab2b60 |
14 | 1b63dc6 |
15 | 1305650 |
hex | d0d90a |
13687050 has 48 divisors (see below), whose sum is σ = 36560160. Its totient is φ = 3368640.
The previous prime is 13687031. The next prime is 13687061. The reversal of 13687050 is 5078631.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 13686999 and 13687017.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1560 + ... + 5459.
It is an arithmetic number, because the mean of its divisors is an integer number (761670).
Almost surely, 213687050 is an apocalyptic number.
13687050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13687050 is an abundant number, since it is smaller than the sum of its proper divisors (22873110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13687050 is a wasteful number, since it uses less digits than its factorization.
13687050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7047 (or 7042 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 13687050 is about 3699.6013298733. The cubic root of 13687050 is about 239.2048336477.
The spelling of 13687050 in words is "thirteen million, six hundred eighty-seven thousand, fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.305 sec. • engine limits •