Base | Representation |
---|---|
bin | 110101000111… |
… | …101110100110 |
3 | 222012110220100 |
4 | 311013232212 |
5 | 12031102121 |
6 | 1214244530 |
7 | 226235334 |
oct | 65075646 |
9 | 28173810 |
10 | 13925286 |
11 | 7951301 |
12 | 47b6746 |
13 | 2b6741b |
14 | 1bc6b54 |
15 | 1351026 |
hex | d47ba6 |
13925286 has 24 divisors (see below), whose sum is σ = 30256200. Its totient is φ = 4628736.
The previous prime is 13925279. The next prime is 13925297. The reversal of 13925286 is 68252931.
It is a self number, because there is not a number n which added to its sum of digits gives 13925286.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7221 + ... + 8943.
It is an arithmetic number, because the mean of its divisors is an integer number (1260675).
Almost surely, 213925286 is an apocalyptic number.
13925286 is an abundant number, since it is smaller than the sum of its proper divisors (16330914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13925286 is a wasteful number, since it uses less digits than its factorization.
13925286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2180 (or 2177 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 13925286 is about 3731.6599523536. The cubic root of 13925286 is about 240.5847201031.
It can be divided in two parts, 139 and 25286, that added together give a triangular number (25425 = T225).
The spelling of 13925286 in words is "thirteen million, nine hundred twenty-five thousand, two hundred eighty-six".
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