Base | Representation |
---|---|
bin | 1101101011100… |
… | …0110010110010 |
3 | 10222222012120212 |
4 | 3122320302302 |
5 | 104142130033 |
6 | 5405504122 |
7 | 1264502453 |
oct | 332706262 |
9 | 128865525 |
10 | 57380018 |
11 | 2a431503 |
12 | 17272042 |
13 | bb70597 |
14 | 789912a |
15 | 5086748 |
hex | 36b8cb2 |
57380018 has 8 divisors (see below), whose sum is σ = 86265648. Its totient is φ = 28624804.
The previous prime is 57380003. The next prime is 57380021. The reversal of 57380018 is 81008375.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31496 + ... + 33267.
It is an arithmetic number, because the mean of its divisors is an integer number (10783206).
Almost surely, 257380018 is an apocalyptic number.
57380018 is a deficient number, since it is larger than the sum of its proper divisors (28885630).
57380018 is a wasteful number, since it uses less digits than its factorization.
57380018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65208.
The product of its (nonzero) digits is 6720, while the sum is 32.
The square root of 57380018 is about 7574.9599338874. The cubic root of 57380018 is about 385.7034824461.
The spelling of 57380018 in words is "fifty-seven million, three hundred eighty thousand, eighteen".
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