Base | Representation |
---|---|
bin | 1101101011110… |
… | …1011001010110 |
3 | 11000000011110002 |
4 | 3122331121112 |
5 | 104143230440 |
6 | 5410131302 |
7 | 1264611434 |
oct | 332753126 |
9 | 130004402 |
10 | 57398870 |
11 | 2a444691 |
12 | 17280b32 |
13 | bb79039 |
14 | 78a1d54 |
15 | 508c115 |
hex | 36bd656 |
57398870 has 8 divisors (see below), whose sum is σ = 103317984. Its totient is φ = 22959544.
The previous prime is 57398843. The next prime is 57398881. The reversal of 57398870 is 7889375.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
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, 2869934 + ... + 2869953.
It is an arithmetic number, because the mean of its divisors is an integer number (12914748).
Almost surely, 257398870 is an apocalyptic number.
57398870 is a deficient number, since it is larger than the sum of its proper divisors (45919114).
57398870 is a wasteful number, since it uses less digits than its factorization.
57398870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5739894.
The product of its (nonzero) digits is 423360, while the sum is 47.
The square root of 57398870 is about 7576.2041947139. The cubic root of 57398870 is about 385.7457183216.
The spelling of 57398870 in words is "fifty-seven million, three hundred ninety-eight thousand, eight hundred seventy".
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