Base | Representation |
---|---|
bin | 1101101101011… |
… | …0000101101010 |
3 | 11000012022012000 |
4 | 3123112011222 |
5 | 104210000020 |
6 | 5412231430 |
7 | 1265512341 |
oct | 333260552 |
9 | 130168160 |
10 | 57500010 |
11 | 2a503677 |
12 | 1730b576 |
13 | bbb3099 |
14 | 78cab58 |
15 | 50ac090 |
hex | 36d616a |
57500010 has 64 divisors (see below), whose sum is σ = 154344960. Its totient is φ = 15232320.
The previous prime is 57499997. The next prime is 57500017. The reversal of 57500010 is 1000575.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (57500017) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46095 + ... + 47325.
It is an arithmetic number, because the mean of its divisors is an integer number (2411640).
Almost surely, 257500010 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57500010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77172480).
57500010 is an abundant number, since it is smaller than the sum of its proper divisors (96844950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57500010 is a wasteful number, since it uses less digits than its factorization.
57500010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1420 (or 1414 counting only the distinct ones).
The product of its (nonzero) digits is 175, while the sum is 18.
The square root of 57500010 is about 7582.8761034320. The cubic root of 57500010 is about 385.9721538433.
Adding to 57500010 its reverse (1000575), we get a palindrome (58500585).
The spelling of 57500010 in words is "fifty-seven million, five hundred thousand, ten".
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