Base | Representation |
---|---|
bin | 11110011100110… |
… | …00010101100111 |
3 | 122210122002021012 |
4 | 33032120111213 |
5 | 1010342143233 |
6 | 41202412435 |
7 | 6221046611 |
oct | 1716302547 |
9 | 583562235 |
10 | 255427943 |
11 | 121200881 |
12 | 7166111b |
13 | 40bc31c4 |
14 | 25ccddb1 |
15 | 17657548 |
hex | f398567 |
255427943 has 4 divisors (see below), whose sum is σ = 255463608. Its totient is φ = 255392280.
The previous prime is 255427937. The next prime is 255427957. The reversal of 255427943 is 349724552.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 255427943 - 222 = 251233639 is a prime.
It is a super-2 number, since 2×2554279432 = 130486868130422498, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 255427943.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255420943) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2948 + ... + 22793.
It is an arithmetic number, because the mean of its divisors is an integer number (63865902).
Almost surely, 2255427943 is an apocalyptic number.
255427943 is a deficient number, since it is larger than the sum of its proper divisors (35665).
255427943 is an equidigital number, since it uses as much as digits as its factorization.
255427943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35664.
The product of its digits is 302400, while the sum is 41.
The square root of 255427943 is about 15982.1132207227. The cubic root of 255427943 is about 634.4871077012.
The spelling of 255427943 in words is "two hundred fifty-five million, four hundred twenty-seven thousand, nine hundred forty-three".
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