Base | Representation |
---|---|
bin | 110001100110… |
… | …011010100000 |
3 | 220110120221101 |
4 | 301212122200 |
5 | 11312034100 |
6 | 1142404144 |
7 | 215342605 |
oct | 61463240 |
9 | 26416841 |
10 | 13002400 |
11 | 7380994 |
12 | 4430654 |
13 | 2903338 |
14 | 1a266ac |
15 | 121c86a |
hex | c666a0 |
13002400 has 36 divisors (see below), whose sum is σ = 31744062. Its totient is φ = 5200640.
The previous prime is 13002397. The next prime is 13002421. The reversal of 13002400 is 420031.
It can be written as a sum of positive squares in 3 ways, for example, as 10679824 + 2322576 = 3268^2 + 1524^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7327 + ... + 8926.
Almost surely, 213002400 is an apocalyptic number.
13002400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13002400 is an abundant number, since it is smaller than the sum of its proper divisors (18741662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13002400 is a wasteful number, since it uses less digits than its factorization.
13002400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16273 (or 16260 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 13002400 is about 3605.8840802222. The cubic root of 13002400 is about 235.1479376336.
Adding to 13002400 its reverse (420031), we get a palindrome (13422431).
The spelling of 13002400 in words is "thirteen million, two thousand, four hundred".
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