Base | Representation |
---|---|
bin | 1101111100110101011 |
3 | 212020001210 |
4 | 1233212223 |
5 | 104112011 |
6 | 13444203 |
7 | 3612513 |
oct | 1574653 |
9 | 766053 |
10 | 457131 |
11 | 2924a4 |
12 | 1a0663 |
13 | 1300bc |
14 | bc843 |
15 | 906a6 |
hex | 6f9ab |
457131 has 4 divisors (see below), whose sum is σ = 609512. Its totient is φ = 304752.
The previous prime is 457117. The next prime is 457139. The reversal of 457131 is 131754.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 457131 - 25 = 457099 is a prime.
It is a super-2 number, since 2×4571312 = 417937502322, which contains 22 as substring.
It is a D-number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 457098 and 457107.
It is not an unprimeable number, because it can be changed into a prime (457139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76186 + ... + 76191.
It is an arithmetic number, because the mean of its divisors is an integer number (152378).
2457131 is an apocalyptic number.
457131 is a deficient number, since it is larger than the sum of its proper divisors (152381).
457131 is a wasteful number, since it uses less digits than its factorization.
457131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152380.
The product of its digits is 420, while the sum is 21.
The square root of 457131 is about 676.1146352506. The cubic root of 457131 is about 77.0336053909.
Adding to 457131 its reverse (131754), we get a palindrome (588885).
The spelling of 457131 in words is "four hundred fifty-seven thousand, one hundred thirty-one".
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