Base | Representation |
---|---|
bin | 1101100111101… |
… | …0111000001101 |
3 | 10222111022201002 |
4 | 3121322320031 |
5 | 104111021123 |
6 | 5400230045 |
7 | 1262365211 |
oct | 331727015 |
9 | 128438632 |
10 | 57126413 |
11 | 2a278a13 |
12 | 1716b325 |
13 | bab2016 |
14 | 7830941 |
15 | 5036528 |
hex | 367ae0d |
57126413 has 4 divisors (see below), whose sum is σ = 57143328. Its totient is φ = 57109500.
The previous prime is 57126379. The next prime is 57126427. The reversal of 57126413 is 31462175.
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 57126413 - 220 = 56077837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57126463) 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, 1463 + ... + 10788.
It is an arithmetic number, because the mean of its divisors is an integer number (14285832).
Almost surely, 257126413 is an apocalyptic number.
It is an amenable number.
57126413 is a deficient number, since it is larger than the sum of its proper divisors (16915).
57126413 is a wasteful number, since it uses less digits than its factorization.
57126413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16914.
The product of its digits is 5040, while the sum is 29.
The square root of 57126413 is about 7558.2017041093. The cubic root of 57126413 is about 385.1344063247.
Adding to 57126413 its reverse (31462175), we get a palindrome (88588588).
The spelling of 57126413 in words is "fifty-seven million, one hundred twenty-six thousand, four hundred thirteen".
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