Base | Representation |
---|---|
bin | 10000000001001… |
… | …011011101011100 |
3 | 200201200122012111 |
4 | 100001023131130 |
5 | 1022244311130 |
6 | 42400043404 |
7 | 6442201531 |
oct | 2001133534 |
9 | 621618174 |
10 | 268744540 |
11 | 128776829 |
12 | 76003564 |
13 | 438a654c |
14 | 27998d88 |
15 | 188d802a |
hex | 1004b75c |
268744540 has 24 divisors (see below), whose sum is σ = 565830720. Its totient is φ = 107218368.
The previous prime is 268744529. The next prime is 268744559. The reversal of 268744540 is 45447862.
It is a happy number.
268744540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 268744493 and 268744502.
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, 9492 + ... + 25051.
It is an arithmetic number, because the mean of its divisors is an integer number (23576280).
Almost surely, 2268744540 is an apocalyptic number.
268744540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
268744540 is an abundant number, since it is smaller than the sum of its proper divisors (297086180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268744540 is a wasteful number, since it uses less digits than its factorization.
268744540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34941 (or 34939 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 40.
The square root of 268744540 is about 16393.4297814704. The cubic root of 268744540 is about 645.3270700629.
The spelling of 268744540 in words is "two hundred sixty-eight million, seven hundred forty-four thousand, five hundred forty".
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