Base | Representation |
---|---|
bin | 1101101001010… |
… | …0100011110000 |
3 | 10222200122222220 |
4 | 3122110203300 |
5 | 104122402400 |
6 | 5402401040 |
7 | 1263313656 |
oct | 332244360 |
9 | 128618886 |
10 | 57231600 |
11 | 2a33aa48 |
12 | 17200180 |
13 | bb1ab6a |
14 | 785add6 |
15 | 50577a0 |
hex | 36948f0 |
57231600 has 120 divisors (see below), whose sum is σ = 188432880. Its totient is φ = 14837760.
The previous prime is 57231589. The next prime is 57231617. The reversal of 57231600 is 613275.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43756 + ... + 45044.
It is an arithmetic number, because the mean of its divisors is an integer number (1570274).
Almost surely, 257231600 is an apocalyptic number.
57231600 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 57231600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94216440).
57231600 is an abundant number, since it is smaller than the sum of its proper divisors (131201280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57231600 is a wasteful number, since it uses less digits than its factorization.
57231600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1347 (or 1336 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 57231600 is about 7565.1569712730. The cubic root of 57231600 is about 385.3706443546.
Adding to 57231600 its reverse (613275), we get a palindrome (57844875).
The spelling of 57231600 in words is "fifty-seven million, two hundred thirty-one thousand, six hundred".
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