Base | Representation |
---|---|
bin | 11110011010011… |
… | …10001100010010 |
3 | 122210001122200000 |
4 | 33031032030102 |
5 | 1010302433432 |
6 | 41152110430 |
7 | 6215343312 |
oct | 1715161422 |
9 | 583048600 |
10 | 255124242 |
11 | 12101368a |
12 | 71535416 |
13 | 40b17bb9 |
14 | 25c51442 |
15 | 175e757c |
hex | f34e312 |
255124242 has 24 divisors (see below), whose sum is σ = 573243216. Its totient is φ = 85041252.
The previous prime is 255124241. The next prime is 255124271. The reversal of 255124242 is 242421552.
255124242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (255124241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261988 + ... + 262959.
It is an arithmetic number, because the mean of its divisors is an integer number (23885134).
Almost surely, 2255124242 is an apocalyptic number.
255124242 is an abundant number, since it is smaller than the sum of its proper divisors (318118974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255124242 is an equidigital number, since it uses as much as digits as its factorization.
255124242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 524964 (or 524952 counting only the distinct ones).
The product of its digits is 6400, while the sum is 27.
The square root of 255124242 is about 15972.6091168600. The cubic root of 255124242 is about 634.2355419200.
Adding to 255124242 its reverse (242421552), we get a palindrome (497545794).
The spelling of 255124242 in words is "two hundred fifty-five million, one hundred twenty-four thousand, two hundred forty-two".
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