Base | Representation |
---|---|
bin | 1101101101001… |
… | …1011000111101 |
3 | 11000011202000122 |
4 | 3123103120331 |
5 | 104204121312 |
6 | 5412104325 |
7 | 1265435201 |
oct | 333233075 |
9 | 130152018 |
10 | 57488957 |
11 | 2a4a6339 |
12 | 173050a5 |
13 | bbab046 |
14 | 78c6b01 |
15 | 50a8b72 |
hex | 36d363d |
57488957 has 4 divisors (see below), whose sum is σ = 57927936. Its totient is φ = 57049980.
The previous prime is 57488953. The next prime is 57488969. The reversal of 57488957 is 75988475.
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 57488957 - 22 = 57488953 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57488899 and 57488908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57488953) 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, 219293 + ... + 219554.
It is an arithmetic number, because the mean of its divisors is an integer number (14481984).
Almost surely, 257488957 is an apocalyptic number.
It is an amenable number.
57488957 is a deficient number, since it is larger than the sum of its proper divisors (438979).
57488957 is a wasteful number, since it uses less digits than its factorization.
57488957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 438978.
The product of its digits is 2822400, while the sum is 53.
The square root of 57488957 is about 7582.1472552305. The cubic root of 57488957 is about 385.9474209571.
The spelling of 57488957 in words is "fifty-seven million, four hundred eighty-eight thousand, nine hundred fifty-seven".
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