Base | Representation |
---|---|
bin | 1100100001010… |
… | …0100111011101 |
3 | 10122210221122000 |
4 | 3020110213131 |
5 | 101420410440 |
6 | 5113312513 |
7 | 1205232561 |
oct | 310244735 |
9 | 118727560 |
10 | 52513245 |
11 | 27707a84 |
12 | 15705739 |
13 | ab58335 |
14 | 6d8d6a1 |
15 | 4924730 |
hex | 32149dd |
52513245 has 64 divisors (see below), whose sum is σ = 100224000. Its totient is φ = 26008128.
The previous prime is 52513217. The next prime is 52513259. The reversal of 52513245 is 54231525.
It is a happy number.
52513245 is a `hidden beast` number, since 525 + 132 + 4 + 5 = 666.
52513245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 52513245 - 25 = 52513213 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151162 + ... + 151508.
It is an arithmetic number, because the mean of its divisors is an integer number (1566000).
Almost surely, 252513245 is an apocalyptic number.
It is an amenable number.
52513245 is a deficient number, since it is larger than the sum of its proper divisors (47710755).
52513245 is a wasteful number, since it uses less digits than its factorization.
52513245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439 (or 433 counting only the distinct ones).
The product of its digits is 6000, while the sum is 27.
The square root of 52513245 is about 7246.6023072886. The cubic root of 52513245 is about 374.4751056386.
The spelling of 52513245 in words is "fifty-two million, five hundred thirteen thousand, two hundred forty-five".
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