Base | Representation |
---|---|
bin | 1100101010000… |
… | …0100101010111 |
3 | 10200220002001120 |
4 | 3022200211113 |
5 | 102042232201 |
6 | 5133455023 |
7 | 1213141200 |
oct | 312404527 |
9 | 120802046 |
10 | 53086551 |
11 | 27a69791 |
12 | 15941473 |
13 | acc927b |
14 | 709c5a7 |
15 | 49d9536 |
hex | 32a0957 |
53086551 has 48 divisors (see below), whose sum is σ = 88099200. Its totient is φ = 28268352.
The previous prime is 53086543. The next prime is 53086573. The reversal of 53086551 is 15568035.
It is not a de Polignac number, because 53086551 - 23 = 53086543 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53086511) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231705 + ... + 231933.
It is an arithmetic number, because the mean of its divisors is an integer number (1835400).
Almost surely, 253086551 is an apocalyptic number.
53086551 is a deficient number, since it is larger than the sum of its proper divisors (35012649).
53086551 is a wasteful number, since it uses less digits than its factorization.
53086551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348 (or 341 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 33.
The square root of 53086551 is about 7286.0518115094. The cubic root of 53086551 is about 375.8329360990.
The spelling of 53086551 in words is "fifty-three million, eighty-six thousand, five hundred fifty-one".
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