Base | Representation |
---|---|
bin | 1101101101011… |
… | …1001001111010 |
3 | 11000012112011210 |
4 | 3123113021322 |
5 | 104210120003 |
6 | 5412303550 |
7 | 1265531151 |
oct | 333271172 |
9 | 130175153 |
10 | 57504378 |
11 | 2a506988 |
12 | 17311bb6 |
13 | bbb5079 |
14 | 78cc598 |
15 | 50ad503 |
hex | 36d727a |
57504378 has 8 divisors (see below), whose sum is σ = 115008768. Its totient is φ = 19168124.
The previous prime is 57504371. The next prime is 57504379. The reversal of 57504378 is 87340575.
It is a sphenic number, since it is the product of 3 distinct primes.
57504378 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (57504371) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4792026 + ... + 4792037.
It is an arithmetic number, because the mean of its divisors is an integer number (14376096).
Almost surely, 257504378 is an apocalyptic number.
57504378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57504378 is a wasteful number, since it uses less digits than its factorization.
57504378 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9584068.
The product of its (nonzero) digits is 117600, while the sum is 39.
The square root of 57504378 is about 7583.1641153281. The cubic root of 57504378 is about 385.9819270803.
The spelling of 57504378 in words is "fifty-seven million, five hundred four thousand, three hundred seventy-eight".
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