Base | Representation |
---|---|
bin | 1101110001001… |
… | …0110110000111 |
3 | 11000122221120002 |
4 | 3130102312013 |
5 | 104240430441 |
6 | 5421431515 |
7 | 1300600025 |
oct | 334226607 |
9 | 130587502 |
10 | 57748871 |
11 | 2a663644 |
12 | 1740b59b |
13 | bc6c43b |
14 | 7953715 |
15 | 510ab9b |
hex | 3712d87 |
57748871 has 8 divisors (see below), whose sum is σ = 59681424. Its totient is φ = 55843200.
The previous prime is 57748843. The next prime is 57748879. The reversal of 57748871 is 17884775.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57748871 - 210 = 57747847 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57748879) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306 + ... + 10991.
It is an arithmetic number, because the mean of its divisors is an integer number (7460178).
Almost surely, 257748871 is an apocalyptic number.
57748871 is a deficient number, since it is larger than the sum of its proper divisors (1932553).
57748871 is a wasteful number, since it uses less digits than its factorization.
57748871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13441.
The product of its digits is 439040, while the sum is 47.
The square root of 57748871 is about 7599.2677936759. The cubic root of 57748871 is about 386.5281837455.
The spelling of 57748871 in words is "fifty-seven million, seven hundred forty-eight thousand, eight hundred seventy-one".
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