| Base | Representation |
|---|---|
| bin | 1101110010111… |
| … | …0001000100000 |
| 3 | 11000212121212200 |
| 4 | 3130232020200 |
| 5 | 104303020030 |
| 6 | 5424053200 |
| 7 | 1301543625 |
| oct | 334561040 |
| 9 | 130777780 |
| 10 | 57860640 |
| 11 | 2a72a612 |
| 12 | 17464200 |
| 13 | bcab286 |
| 14 | 798234c |
| 15 | 512dd60 |
| hex | 372e220 |
57860640 has 144 divisors (see below), whose sum is σ = 206152128. Its totient is φ = 14750208.
The previous prime is 57860611. The next prime is 57860653. The reversal of 57860640 is 4606875.
It is a happy number.
57860640 is a `hidden beast` number, since 5 + 7 + 8 + 6 + 0 + 640 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×578606402 = 6695707322419200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 57860595 and 57860604.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32247 + ... + 33993.
It is an arithmetic number, because the mean of its divisors is an integer number (1431612).
Almost surely, 257860640 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 57860640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103076064).
57860640 is an abundant number, since it is smaller than the sum of its proper divisors (148291488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57860640 is a wasteful number, since it uses less digits than its factorization.
57860640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1791 (or 1780 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 57860640 is about 7606.6181710403. The cubic root of 57860640 is about 386.7773893509. Note that the first 3 decimals are identical.
The spelling of 57860640 in words is "fifty-seven million, eight hundred sixty thousand, six hundred forty".
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