Base | Representation |
---|---|
bin | 10000000010000… |
… | …111100100000101 |
3 | 200202011010220110 |
4 | 100002013210011 |
5 | 1022330200400 |
6 | 42405223233 |
7 | 6444245343 |
oct | 2002074405 |
9 | 622133813 |
10 | 268990725 |
11 | 128924793 |
12 | 76101b19 |
13 | 43961613 |
14 | 27a20993 |
15 | 18935e50 |
hex | 10087905 |
268990725 has 12 divisors (see below), whose sum is σ = 444731456. Its totient is φ = 143461680.
The previous prime is 268990723. The next prime is 268990739. The reversal of 268990725 is 527099862.
It is not a de Polignac number, because 268990725 - 21 = 268990723 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268990723) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1793197 + ... + 1793346.
Almost surely, 2268990725 is an apocalyptic number.
268990725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
268990725 is a deficient number, since it is larger than the sum of its proper divisors (175740731).
268990725 is a wasteful number, since it uses less digits than its factorization.
268990725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3586556 (or 3586551 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 48.
The square root of 268990725 is about 16400.9367110540. The cubic root of 268990725 is about 645.5240617961.
The spelling of 268990725 in words is "two hundred sixty-eight million, nine hundred ninety thousand, seven hundred twenty-five".
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