Base | Representation |
---|---|
bin | 11110011011101… |
… | …00100100010110 |
3 | 122210100122021210 |
4 | 33031310210112 |
5 | 1010323001210 |
6 | 41155322250 |
7 | 6216566505 |
oct | 1715644426 |
9 | 583318253 |
10 | 255281430 |
11 | 121110798 |
12 | 715b0386 |
13 | 40b71601 |
14 | 25c9283c |
15 | 17628e20 |
hex | f374916 |
255281430 has 32 divisors (see below), whose sum is σ = 617508864. Its totient is φ = 67538016.
The previous prime is 255281413. The next prime is 255281447. The reversal of 255281430 is 34182552.
It is an interprime number because it is at equal distance from previous prime (255281413) and next prime (255281447).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29692 + ... + 37311.
It is an arithmetic number, because the mean of its divisors is an integer number (19297152).
Almost surely, 2255281430 is an apocalyptic number.
255281430 is an abundant number, since it is smaller than the sum of its proper divisors (362227434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255281430 is a wasteful number, since it uses less digits than its factorization.
255281430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67140.
The product of its (nonzero) digits is 9600, while the sum is 30.
The square root of 255281430 is about 15977.5289078130. The cubic root of 255281430 is about 634.3657709513.
The spelling of 255281430 in words is "two hundred fifty-five million, two hundred eighty-one thousand, four hundred thirty".
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