Base | Representation |
---|---|
bin | 1100011011101… |
… | …0100111110001 |
3 | 10122010012222102 |
4 | 3012322213301 |
5 | 101322112000 |
6 | 5101350145 |
7 | 1202136101 |
oct | 306724761 |
9 | 118105872 |
10 | 52144625 |
11 | 27486035 |
12 | 15568355 |
13 | aa59610 |
14 | 6cd5201 |
15 | 48a03d5 |
hex | 31ba9f1 |
52144625 has 16 divisors (see below), whose sum is σ = 70084560. Its totient is φ = 38505600.
The previous prime is 52144597. The next prime is 52144643. The reversal of 52144625 is 52644125.
It can be written as a sum of positive squares in 8 ways, for example, as 43138624 + 9006001 = 6568^2 + 3001^2 .
It is not a de Polignac number, because 52144625 - 28 = 52144369 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14420 + ... + 17669.
It is an arithmetic number, because the mean of its divisors is an integer number (4380285).
Almost surely, 252144625 is an apocalyptic number.
It is an amenable number.
52144625 is a deficient number, since it is larger than the sum of its proper divisors (17939935).
52144625 is a wasteful number, since it uses less digits than its factorization.
52144625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32117 (or 32107 counting only the distinct ones).
The product of its digits is 9600, while the sum is 29.
The square root of 52144625 is about 7221.1235275406. The cubic root of 52144625 is about 373.5968302618.
Subtracting 52144625 from its reverse (52644125), we obtain a triangular number (499500 = T999).
The spelling of 52144625 in words is "fifty-two million, one hundred forty-four thousand, six hundred twenty-five".
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