Base | Representation |
---|---|
bin | 1101100111111… |
… | …0111100111111 |
3 | 10222112011121020 |
4 | 3121332330333 |
5 | 104112034403 |
6 | 5400435223 |
7 | 1262464653 |
oct | 331767477 |
9 | 128464536 |
10 | 57143103 |
11 | 2a28a506 |
12 | 17178b13 |
13 | bab97b4 |
14 | 7836a63 |
15 | 503b453 |
hex | 367ef3f |
57143103 has 16 divisors (see below), whose sum is σ = 80972640. Its totient is φ = 35845248.
The previous prime is 57143101. The next prime is 57143113. The reversal of 57143103 is 30134175.
It is not a de Polignac number, because 57143103 - 21 = 57143101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57143101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12801 + ... + 16677.
It is an arithmetic number, because the mean of its divisors is an integer number (5060790).
Almost surely, 257143103 is an apocalyptic number.
57143103 is a deficient number, since it is larger than the sum of its proper divisors (23829537).
57143103 is an equidigital number, since it uses as much as digits as its factorization.
57143103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3931 (or 3897 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 57143103 is about 7559.3057220885. The cubic root of 57143103 is about 385.1719095100.
Adding to 57143103 its reverse (30134175), we get a palindrome (87277278).
The spelling of 57143103 in words is "fifty-seven million, one hundred forty-three thousand, one hundred three".
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