Base | Representation |
---|---|
bin | 1101101011111… |
… | …1011111011101 |
3 | 11000000121012222 |
4 | 3122333133131 |
5 | 104144014303 |
6 | 5410235125 |
7 | 1264645445 |
oct | 332773735 |
9 | 130017188 |
10 | 57407453 |
11 | 2a450084 |
12 | 17285aa5 |
13 | bb7cc0c |
14 | 78a5125 |
15 | 508e938 |
hex | 36bf7dd |
57407453 has 8 divisors (see below), whose sum is σ = 60947640. Its totient is φ = 53885440.
The previous prime is 57407447. The next prime is 57407477. The reversal of 57407453 is 35470475.
It can be written as a sum of positive squares in 4 ways, for example, as 17123044 + 40284409 = 4138^2 + 6347^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57407453 - 24 = 57407437 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 (57407353) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2273 + ... + 10953.
It is an arithmetic number, because the mean of its divisors is an integer number (7618455).
Almost surely, 257407453 is an apocalyptic number.
It is an amenable number.
57407453 is a deficient number, since it is larger than the sum of its proper divisors (3540187).
57407453 is a wasteful number, since it uses less digits than its factorization.
57407453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9087.
The product of its (nonzero) digits is 58800, while the sum is 35.
The square root of 57407453 is about 7576.7706181460. The cubic root of 57407453 is about 385.7649445449.
The spelling of 57407453 in words is "fifty-seven million, four hundred seven thousand, four hundred fifty-three".
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