Base | Representation |
---|---|
bin | 1101100111010… |
… | …1010110111111 |
3 | 10222110011200211 |
4 | 3121311112333 |
5 | 104104310212 |
6 | 5355533251 |
7 | 1262242255 |
oct | 331652677 |
9 | 128404624 |
10 | 57103807 |
11 | 2a262a32 |
12 | 1715a227 |
13 | baa4947 |
14 | 78265d5 |
15 | 502e9a7 |
hex | 36755bf |
57103807 has 4 divisors (see below), whose sum is σ = 57826720. Its totient is φ = 56380896.
The previous prime is 57103793. The next prime is 57103811. The reversal of 57103807 is 70830175.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 57103807 - 27 = 57103679 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 (57103877) 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, 361338 + ... + 361495.
It is an arithmetic number, because the mean of its divisors is an integer number (14456680).
Almost surely, 257103807 is an apocalyptic number.
57103807 is a deficient number, since it is larger than the sum of its proper divisors (722913).
57103807 is an equidigital number, since it uses as much as digits as its factorization.
57103807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 722912.
The product of its (nonzero) digits is 5880, while the sum is 31.
The square root of 57103807 is about 7556.7060945891. The cubic root of 57103807 is about 385.0835979706.
The spelling of 57103807 in words is "fifty-seven million, one hundred three thousand, eight hundred seven".
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