Base | Representation |
---|---|
bin | 111010101000… |
… | …000001000000 |
3 | 1001220210021200 |
4 | 322220001000 |
5 | 12413241011 |
6 | 1305221200 |
7 | 244425261 |
oct | 72500100 |
9 | 31823250 |
10 | 15368256 |
11 | 8747442 |
12 | 5191800 |
13 | 3251157 |
14 | 2080968 |
15 | 1538856 |
hex | ea8040 |
15368256 has 42 divisors (see below), whose sum is σ = 44051982. Its totient is φ = 5122560.
The previous prime is 15368233. The next prime is 15368263. The reversal of 15368256 is 65286351.
It can be written as a sum of positive squares in only one way, i.e., 7750656 + 7617600 = 2784^2 + 2760^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 15368256.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12765 + ... + 13916.
Almost surely, 215368256 is an apocalyptic number.
15368256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
15368256 is an abundant number, since it is smaller than the sum of its proper divisors (28683726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15368256 is a wasteful number, since it uses less digits than its factorization.
15368256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26699 (or 26686 counting only the distinct ones).
The product of its digits is 43200, while the sum is 36.
The square root of 15368256 is about 3920.2367275459. The cubic root of 15368256 is about 248.6231294984.
The spelling of 15368256 in words is "fifteen million, three hundred sixty-eight thousand, two hundred fifty-six".
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