Base | Representation |
---|---|
bin | 11110100010111… |
… | …10110111100101 |
3 | 122212011101202001 |
4 | 33101132313211 |
5 | 1011044204000 |
6 | 41232045301 |
7 | 6231004450 |
oct | 1721366745 |
9 | 585141661 |
10 | 256241125 |
11 | 121706828 |
12 | 71993831 |
13 | 4111938a |
14 | 26062497 |
15 | 1776846a |
hex | f45ede5 |
256241125 has 32 divisors (see below), whose sum is σ = 384733440. Its totient is φ = 166449600.
The previous prime is 256241107. The next prime is 256241147. The reversal of 256241125 is 521142652.
It is not a de Polignac number, because 256241125 - 211 = 256239077 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 256241093 and 256241102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8919 + ... + 24331.
It is an arithmetic number, because the mean of its divisors is an integer number (12022920).
Almost surely, 2256241125 is an apocalyptic number.
256241125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
256241125 is a deficient number, since it is larger than the sum of its proper divisors (128492315).
256241125 is a wasteful number, since it uses less digits than its factorization.
256241125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15454 (or 15444 counting only the distinct ones).
The product of its digits is 4800, while the sum is 28.
The square root of 256241125 is about 16007.5333827545. The cubic root of 256241125 is about 635.1597134788.
Adding to 256241125 its reverse (521142652), we get a palindrome (777383777).
The spelling of 256241125 in words is "two hundred fifty-six million, two hundred forty-one thousand, one hundred twenty-five".
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