Base | Representation |
---|---|
bin | 1101101001011… |
… | …1111001110100 |
3 | 10222201100210022 |
4 | 3122113321310 |
5 | 104123322200 |
6 | 5402544312 |
7 | 1263401630 |
oct | 332277164 |
9 | 128640708 |
10 | 57245300 |
11 | 2a34a272 |
12 | 17208098 |
13 | bb24178 |
14 | 7861dc0 |
15 | 505b885 |
hex | 3697e74 |
57245300 has 72 divisors (see below), whose sum is σ = 144740736. Its totient is φ = 19244160.
The previous prime is 57245299. The next prime is 57245303. The reversal of 57245300 is 354275.
It is a self number, because there is not a number n which added to its sum of digits gives 57245300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57245303) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36329 + ... + 37871.
It is an arithmetic number, because the mean of its divisors is an integer number (2010288).
Almost surely, 257245300 is an apocalyptic number.
57245300 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 57245300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72370368).
57245300 is an abundant number, since it is smaller than the sum of its proper divisors (87495436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57245300 is a wasteful number, since it uses less digits than its factorization.
57245300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1617 (or 1610 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 26.
The square root of 57245300 is about 7566.0623840939. The cubic root of 57245300 is about 385.4013916842.
Adding to 57245300 its reverse (354275), we get a palindrome (57599575).
The spelling of 57245300 in words is "fifty-seven million, two hundred forty-five thousand, three hundred".
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