Base | Representation |
---|---|
bin | 1101101101000… |
… | …0111000101001 |
3 | 11000011012221122 |
4 | 3123100320221 |
5 | 104203304242 |
6 | 5411545025 |
7 | 1265363243 |
oct | 333207051 |
9 | 130135848 |
10 | 57478697 |
11 | 2a499661 |
12 | 172bb175 |
13 | bba6483 |
14 | 78c3093 |
15 | 50a5ad2 |
hex | 36d0e29 |
57478697 has 8 divisors (see below), whose sum is σ = 59581056. Its totient is φ = 55413072.
The previous prime is 57478669. The next prime is 57478699. The reversal of 57478697 is 79687475.
57478697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 57478697 - 28 = 57478441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57478699) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5978 + ... + 12275.
It is an arithmetic number, because the mean of its divisors is an integer number (7447632).
Almost surely, 257478697 is an apocalyptic number.
It is an amenable number.
57478697 is a deficient number, since it is larger than the sum of its proper divisors (2102359).
57478697 is a wasteful number, since it uses less digits than its factorization.
57478697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18367.
The product of its digits is 2963520, while the sum is 53.
The square root of 57478697 is about 7581.4706357012. The cubic root of 57478697 is about 385.9244597002.
The spelling of 57478697 in words is "fifty-seven million, four hundred seventy-eight thousand, six hundred ninety-seven".
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