Base | Representation |
---|---|
bin | 1101100110001… |
… | …0000111101000 |
3 | 10222022011121001 |
4 | 3121202013220 |
5 | 104044300000 |
6 | 5354124344 |
7 | 1261463434 |
oct | 331420750 |
9 | 128264531 |
10 | 57025000 |
11 | 2a2097aa |
12 | 171206b4 |
13 | ba77b06 |
14 | 78059c4 |
15 | 501646a |
hex | 36621e8 |
57025000 has 48 divisors (see below), whose sum is σ = 133702380. Its totient is φ = 22800000.
The previous prime is 57024997. The next prime is 57025019. The reversal of 57025000 is 52075.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 5098564 + 51926436 = 2258^2 + 7206^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23860 + ... + 26140.
Almost surely, 257025000 is an apocalyptic number.
57025000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57025000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66851190).
57025000 is an abundant number, since it is smaller than the sum of its proper divisors (76677380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57025000 is an equidigital number, since it uses as much as digits as its factorization.
57025000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2312 (or 2288 counting only the distinct ones).
The product of its (nonzero) digits is 350, while the sum is 19.
The square root of 57025000 is about 7551.4899192146. The cubic root of 57025000 is about 384.9063695403.
Adding to 57025000 its reverse (52075), we get a palindrome (57077075).
The spelling of 57025000 in words is "fifty-seven million, twenty-five thousand".
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