Base | Representation |
---|---|
bin | 110010101010… |
… | …011010101000 |
3 | 220222202000112 |
4 | 302222122220 |
5 | 11344442221 |
6 | 1152353452 |
7 | 220612634 |
oct | 62523250 |
9 | 26882015 |
10 | 13280936 |
11 | 7551189 |
12 | 4545888 |
13 | 29a0056 |
14 | 1a99dc4 |
15 | 127515b |
hex | caa6a8 |
13280936 has 32 divisors (see below), whose sum is σ = 26308800. Its totient is φ = 6272640.
The previous prime is 13280933. The next prime is 13280951. The reversal of 13280936 is 63908231.
It is a super-4 number, since 4×132809364 (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (13280933) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15971 + ... + 16781.
It is an arithmetic number, because the mean of its divisors is an integer number (822150).
Almost surely, 213280936 is an apocalyptic number.
It is an amenable number.
13280936 is a deficient number, since it is larger than the sum of its proper divisors (13027864).
13280936 is a wasteful number, since it uses less digits than its factorization.
13280936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 929 (or 925 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 32.
The square root of 13280936 is about 3644.3018535791. The cubic root of 13280936 is about 236.8151929776.
The spelling of 13280936 in words is "thirteen million, two hundred eighty thousand, nine hundred thirty-six".
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