Base | Representation |
---|---|
bin | 1101100110011… |
… | …1111001101100 |
3 | 10222100101002020 |
4 | 3121213321230 |
5 | 104101024214 |
6 | 5354430140 |
7 | 1261622460 |
oct | 331477154 |
9 | 128311066 |
10 | 57048684 |
11 | 2a225580 |
12 | 17132350 |
13 | ba85824 |
14 | 78104a0 |
15 | 501d4a9 |
hex | 3667e6c |
57048684 has 96 divisors (see below), whose sum is σ = 171763200. Its totient is φ = 14300160.
The previous prime is 57048679. The next prime is 57048689. The reversal of 57048684 is 48684075.
It is an interprime number because it is at equal distance from previous prime (57048679) and next prime (57048689).
It is a super-2 number, since 2×570486842 = 6509104692263712, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (57048689) 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, 25732 + ... + 27860.
It is an arithmetic number, because the mean of its divisors is an integer number (1789200).
Almost surely, 257048684 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57048684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85881600).
57048684 is an abundant number, since it is smaller than the sum of its proper divisors (114714516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57048684 is a wasteful number, since it uses less digits than its factorization.
57048684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2183 (or 2181 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 42.
The square root of 57048684 is about 7553.0579237816. The cubic root of 57048684 is about 384.9596494508.
The spelling of 57048684 in words is "fifty-seven million, forty-eight thousand, six hundred eighty-four".
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