Base | Representation |
---|---|
bin | 11110011011111… |
… | …00110010000000 |
3 | 122210102100102210 |
4 | 33031330302000 |
5 | 1010330040242 |
6 | 41200142120 |
7 | 6220066545 |
oct | 1715746200 |
9 | 583370383 |
10 | 255315072 |
11 | 121133aa1 |
12 | 71607940 |
13 | 40b83a0c |
14 | 25ca0bcc |
15 | 17633d9c |
hex | f37cc80 |
255315072 has 128 divisors (see below), whose sum is σ = 711633600. Its totient is φ = 80998400.
The previous prime is 255315041. The next prime is 255315079. The reversal of 255315072 is 270513552.
255315072 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (128).
It is not an unprimeable number, because it can be changed into a prime (255315079) 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, 1124623 + ... + 1124849.
Almost surely, 2255315072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 255315072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355816800).
255315072 is an abundant number, since it is smaller than the sum of its proper divisors (456318528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255315072 is a wasteful number, since it uses less digits than its factorization.
255315072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374 (or 362 counting only the distinct ones).
The product of its (nonzero) digits is 10500, while the sum is 30.
The square root of 255315072 is about 15978.5816642154. The cubic root of 255315072 is about 634.3936361403.
It can be divided in two parts, 25531 and 5072, that added together give a palindrome (30603).
The spelling of 255315072 in words is "two hundred fifty-five million, three hundred fifteen thousand, seventy-two".
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