Base | Representation |
---|---|
bin | 11110101001000… |
… | …00101111101001 |
3 | 122220122202001202 |
4 | 33110200233221 |
5 | 1011300111431 |
6 | 41301053545 |
7 | 6240522611 |
oct | 1724405751 |
9 | 586582052 |
10 | 257035241 |
11 | 1220a9421 |
12 | 720b72b5 |
13 | 41336978 |
14 | 261cba41 |
15 | 178738cb |
hex | f520be9 |
257035241 has 4 divisors (see below), whose sum is σ = 257085312. Its totient is φ = 256985172.
The previous prime is 257035199. The next prime is 257035243. The reversal of 257035241 is 142530752.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 257035241 - 214 = 257018857 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (257035243) 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, 16325 + ... + 27938.
It is an arithmetic number, because the mean of its divisors is an integer number (64271328).
Almost surely, 2257035241 is an apocalyptic number.
It is an amenable number.
257035241 is a deficient number, since it is larger than the sum of its proper divisors (50071).
257035241 is an equidigital number, since it uses as much as digits as its factorization.
257035241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50070.
The product of its (nonzero) digits is 8400, while the sum is 29.
The square root of 257035241 is about 16032.3186407955. The cubic root of 257035241 is about 635.8151772659.
Adding to 257035241 its reverse (142530752), we get a palindrome (399565993).
The spelling of 257035241 in words is "two hundred fifty-seven million, thirty-five thousand, two hundred forty-one".
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