Base | Representation |
---|---|
bin | 1101101101001… |
… | …1001001011011 |
3 | 11000011200122211 |
4 | 3123103021123 |
5 | 104204103323 |
6 | 5412055551 |
7 | 1265432251 |
oct | 333231133 |
9 | 130150584 |
10 | 57487963 |
11 | 2a4a5615 |
12 | 173045b7 |
13 | bbaa760 |
14 | 78c65d1 |
15 | 50a870d |
hex | 36d325b |
57487963 has 4 divisors (see below), whose sum is σ = 61910128. Its totient is φ = 53065800.
The previous prime is 57487957. The next prime is 57487967. The reversal of 57487963 is 36978475.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-57487963 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (57487967) 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, 2211063 + ... + 2211088.
It is an arithmetic number, because the mean of its divisors is an integer number (15477532).
Almost surely, 257487963 is an apocalyptic number.
57487963 is a deficient number, since it is larger than the sum of its proper divisors (4422165).
57487963 is a wasteful number, since it uses less digits than its factorization.
57487963 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4422164.
The product of its digits is 1270080, while the sum is 49.
The square root of 57487963 is about 7582.0817062335. The cubic root of 57487963 is about 385.9451965650.
The spelling of 57487963 in words is "fifty-seven million, four hundred eighty-seven thousand, nine hundred sixty-three".
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