Base | Representation |
---|---|
bin | 1101100111110… |
… | …0010101110001 |
3 | 10222111121220212 |
4 | 3121330111301 |
5 | 104111214101 |
6 | 5400313505 |
7 | 1262421524 |
oct | 331742561 |
9 | 128447825 |
10 | 57132401 |
11 | 2a282467 |
12 | 17172895 |
13 | bab4971 |
14 | 7832bbb |
15 | 50381bb |
hex | 367c571 |
57132401 has 4 divisors (see below), whose sum is σ = 58348032. Its totient is φ = 55916772.
The previous prime is 57132379. The next prime is 57132409. The reversal of 57132401 is 10423175.
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 57132401 - 210 = 57131377 is a prime.
It is a super-2 number, since 2×571324012 = 6528222488049602, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57132409) 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, 607745 + ... + 607838.
It is an arithmetic number, because the mean of its divisors is an integer number (14587008).
Almost surely, 257132401 is an apocalyptic number.
It is an amenable number.
57132401 is a deficient number, since it is larger than the sum of its proper divisors (1215631).
57132401 is a wasteful number, since it uses less digits than its factorization.
57132401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1215630.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 57132401 is about 7558.5978197017. The cubic root of 57132401 is about 385.1478624718.
Adding to 57132401 its reverse (10423175), we get a palindrome (67555576).
The spelling of 57132401 in words is "fifty-seven million, one hundred thirty-two thousand, four hundred one".
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