Base | Representation |
---|---|
bin | 1101101001100… |
… | …0000001010001 |
3 | 10222201101102222 |
4 | 3122120001101 |
5 | 104123331102 |
6 | 5402550425 |
7 | 1263403211 |
oct | 332300121 |
9 | 128641388 |
10 | 57245777 |
11 | 2a34a666 |
12 | 17208415 |
13 | bb24454 |
14 | 7862241 |
15 | 505baa2 |
hex | 3698051 |
57245777 has 8 divisors (see below), whose sum is σ = 58613760. Its totient is φ = 55888560.
The previous prime is 57245759. The next prime is 57245791. The reversal of 57245777 is 77754275.
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 57245777 - 28 = 57245521 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57245707) 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, 8624 + ... + 13742.
It is an arithmetic number, because the mean of its divisors is an integer number (7326720).
Almost surely, 257245777 is an apocalyptic number.
It is an amenable number.
57245777 is a deficient number, since it is larger than the sum of its proper divisors (1367983).
57245777 is a wasteful number, since it uses less digits than its factorization.
57245777 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5383.
The product of its digits is 480200, while the sum is 44.
The square root of 57245777 is about 7566.0939063694. The cubic root of 57245777 is about 385.4024621415.
The spelling of 57245777 in words is "fifty-seven million, two hundred forty-five thousand, seven hundred seventy-seven".
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