Base | Representation |
---|---|
bin | 1101110011001… |
… | …1111000011110 |
3 | 11000220211011220 |
4 | 3130303320132 |
5 | 104304243230 |
6 | 5424354210 |
7 | 1302002400 |
oct | 334637036 |
9 | 130824156 |
10 | 57884190 |
11 | 2a746281 |
12 | 17475966 |
13 | bcb8c00 |
14 | 798ab70 |
15 | 5135d10 |
hex | 3733e1e |
57884190 has 144 divisors (see below), whose sum is σ = 175741488. Its totient is φ = 12160512.
The previous prime is 57884179. The next prime is 57884191. The reversal of 57884190 is 9148875.
It is a super-2 number, since 2×578841902 = 6701158903912200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57884191) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 248314 + ... + 248546.
It is an arithmetic number, because the mean of its divisors is an integer number (1220427).
Almost surely, 257884190 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57884190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87870744).
57884190 is an abundant number, since it is smaller than the sum of its proper divisors (117857298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57884190 is a wasteful number, since it uses less digits than its factorization.
57884190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283 (or 263 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 42.
The square root of 57884190 is about 7608.1660076526. The cubic root of 57884190 is about 386.8298566357.
The spelling of 57884190 in words is "fifty-seven million, eight hundred eighty-four thousand, one hundred ninety".
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