Base | Representation |
---|---|
bin | 111001110000… |
… | …011011011000 |
3 | 1001111012221210 |
4 | 321300123120 |
5 | 12333444233 |
6 | 1300303120 |
7 | 242456412 |
oct | 71603330 |
9 | 31435853 |
10 | 15140568 |
11 | 8601373 |
12 | 50a1aa0 |
13 | 31a1621 |
14 | 20219b2 |
15 | 14e1163 |
hex | e706d8 |
15140568 has 32 divisors (see below), whose sum is σ = 39844800. Its totient is φ = 4781088.
The previous prime is 15140519. The next prime is 15140579. The reversal of 15140568 is 86504151.
15140568 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16146 + ... + 17057.
It is an arithmetic number, because the mean of its divisors is an integer number (1245150).
Almost surely, 215140568 is an apocalyptic number.
It is an amenable number.
15140568 is an abundant number, since it is smaller than the sum of its proper divisors (24704232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15140568 is a wasteful number, since it uses less digits than its factorization.
15140568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33231 (or 33227 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 30.
The square root of 15140568 is about 3891.0882796462. The cubic root of 15140568 is about 247.3891923120.
The spelling of 15140568 in words is "fifteen million, one hundred forty thousand, five hundred sixty-eight".
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