Base | Representation |
---|---|
bin | 1101101000100… |
… | …0110111000000 |
3 | 10222121020021002 |
4 | 3122020313000 |
5 | 104114334210 |
6 | 5401351132 |
7 | 1263024161 |
oct | 332106700 |
9 | 128536232 |
10 | 57183680 |
11 | 2a307a44 |
12 | 171984a8 |
13 | bb020c8 |
14 | 7847768 |
15 | 50484a5 |
hex | 3688dc0 |
57183680 has 56 divisors (see below), whose sum is σ = 137873232. Its totient is φ = 22587392.
The previous prime is 57183677. The next prime is 57183691. The reversal of 57183680 is 8638175.
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 7 ways as a sum of consecutive naturals, for example, 25484 + ... + 27636.
It is an arithmetic number, because the mean of its divisors is an integer number (2462022).
Almost surely, 257183680 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 57183680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68936616).
57183680 is an abundant number, since it is smaller than the sum of its proper divisors (80689552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57183680 is a wasteful number, since it uses less digits than its factorization.
57183680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2253 (or 2243 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 57183680 is about 7561.9891563001. The cubic root of 57183680 is about 385.2630574166.
The spelling of 57183680 in words is "fifty-seven million, one hundred eighty-three thousand, six hundred eighty".
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