Base | Representation |
---|---|
bin | 1100101001101… |
… | …0011110010101 |
3 | 10200211210201200 |
4 | 3022122132111 |
5 | 102040432100 |
6 | 5133143113 |
7 | 1213005216 |
oct | 312323625 |
9 | 120753650 |
10 | 53061525 |
11 | 27a51a00 |
12 | 1592aa99 |
13 | acbaa6a |
14 | 709340d |
15 | 49d1e00 |
hex | 329a795 |
53061525 has 54 divisors (see below), whose sum is σ = 104518050. Its totient is φ = 25713600.
The previous prime is 53061517. The next prime is 53061563. The reversal of 53061525 is 52516035.
It can be written as a sum of positive squares in 3 ways, for example, as 8625969 + 44435556 = 2937^2 + 6666^2 .
It is not a de Polignac number, because 53061525 - 23 = 53061517 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 26251 + ... + 28199.
Almost surely, 253061525 is an apocalyptic number.
53061525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
53061525 is a deficient number, since it is larger than the sum of its proper divisors (51456525).
53061525 is a wasteful number, since it uses less digits than its factorization.
53061525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1987 (or 1968 counting only the distinct ones).
The product of its (nonzero) digits is 4500, while the sum is 27.
The square root of 53061525 is about 7284.3342180326. The cubic root of 53061525 is about 375.7738685746.
Subtracting from 53061525 its reverse (52516035), we obtain a triangular number (545490 = T1044).
The spelling of 53061525 in words is "fifty-three million, sixty-one thousand, five hundred twenty-five".
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