Base | Representation |
---|---|
bin | 11110011111001… |
… | …10101101100000 |
3 | 122211020101121201 |
4 | 33033212231200 |
5 | 1010432431320 |
6 | 41213330544 |
7 | 6223554535 |
oct | 1717465540 |
9 | 584211551 |
10 | 255748960 |
11 | 1213aaa85 |
12 | 71796a54 |
13 | 40ca635c |
14 | 25d74d8c |
15 | 176bc70a |
hex | f3e6b60 |
255748960 has 48 divisors (see below), whose sum is σ = 630485856. Its totient is φ = 97850368.
The previous prime is 255748951. The next prime is 255748967. The reversal of 255748960 is 69847552.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a self number, because there is not a number n which added to its sum of digits gives 255748960.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255748967) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31069 + ... + 38428.
It is an arithmetic number, because the mean of its divisors is an integer number (13135122).
Almost surely, 2255748960 is an apocalyptic number.
255748960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
255748960 is an abundant number, since it is smaller than the sum of its proper divisors (374736896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255748960 is a wasteful number, since it uses less digits than its factorization.
255748960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69535 (or 69527 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 46.
The square root of 255748960 is about 15992.1530758056. The cubic root of 255748960 is about 634.7528002190.
The spelling of 255748960 in words is "two hundred fifty-five million, seven hundred forty-eight thousand, nine hundred sixty".
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