Base | Representation |
---|---|
bin | 11110011010101… |
… | …00011111011000 |
3 | 122210002222001111 |
4 | 33031110133120 |
5 | 1010304300130 |
6 | 41152430104 |
7 | 6215511445 |
oct | 1715243730 |
9 | 583088044 |
10 | 255150040 |
11 | 121031002 |
12 | 71548334 |
13 | 40b26872 |
14 | 25c5a9cc |
15 | 1760002a |
hex | f3547d8 |
255150040 has 64 divisors (see below), whose sum is σ = 601344000. Its totient is φ = 97249152.
The previous prime is 255150037. The next prime is 255150041. The reversal of 255150040 is 40051552.
It is a junction number, because it is equal to n+sod(n) for n = 255149993 and 255150020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255150041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425661 + ... + 426259.
It is an arithmetic number, because the mean of its divisors is an integer number (9396000).
Almost surely, 2255150040 is an apocalyptic number.
255150040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 255150040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300672000).
255150040 is an abundant number, since it is smaller than the sum of its proper divisors (346193960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255150040 is a wasteful number, since it uses less digits than its factorization.
255150040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1096 (or 1092 counting only the distinct ones).
The product of its (nonzero) digits is 1000, while the sum is 22.
The square root of 255150040 is about 15973.4166664493. The cubic root of 255150040 is about 634.2569190301.
The spelling of 255150040 in words is "two hundred fifty-five million, one hundred fifty thousand, forty".
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