Base | Representation |
---|---|
bin | 1101101101001… |
… | …1001000110101 |
3 | 11000011200121102 |
4 | 3123103020311 |
5 | 104204103200 |
6 | 5412055445 |
7 | 1265432165 |
oct | 333231065 |
9 | 130150542 |
10 | 57487925 |
11 | 2a4a5590 |
12 | 17304585 |
13 | bbaa731 |
14 | 78c65a5 |
15 | 50a86d5 |
hex | 36d3235 |
57487925 has 48 divisors (see below), whose sum is σ = 83030400. Its totient is φ = 39072000.
The previous prime is 57487921. The next prime is 57487951. The reversal of 57487925 is 52978475.
It is a happy number.
It is not a de Polignac number, because 57487925 - 22 = 57487921 is a prime.
It is a nialpdrome in base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 57487925.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57487921) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 385751 + ... + 385899.
It is an arithmetic number, because the mean of its divisors is an integer number (1729800).
Almost surely, 257487925 is an apocalyptic number.
57487925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
57487925 is a deficient number, since it is larger than the sum of its proper divisors (25542475).
57487925 is a wasteful number, since it uses less digits than its factorization.
57487925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254 (or 249 counting only the distinct ones).
The product of its digits is 705600, while the sum is 47.
The square root of 57487925 is about 7582.0792003249. The cubic root of 57487925 is about 385.9451115274.
The spelling of 57487925 in words is "fifty-seven million, four hundred eighty-seven thousand, nine hundred twenty-five".
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