Base | Representation |
---|---|
bin | 1100100101000… |
… | …0001010101101 |
3 | 10200021100020002 |
4 | 3021100022231 |
5 | 102001212130 |
6 | 5122434045 |
7 | 1210266656 |
oct | 311201255 |
9 | 120240202 |
10 | 52757165 |
11 | 2786426a |
12 | 15802925 |
13 | ac12376 |
14 | 701452d |
15 | 4971b45 |
hex | 32502ad |
52757165 has 8 divisors (see below), whose sum is σ = 63381528. Its totient is φ = 42157120.
The previous prime is 52757161. The next prime is 52757183. The reversal of 52757165 is 56175725.
It can be written as a sum of positive squares in 4 ways, for example, as 426409 + 52330756 = 653^2 + 7234^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52757165 - 22 = 52757161 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52757161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902 + ... + 10311.
It is an arithmetic number, because the mean of its divisors is an integer number (7922691).
Almost surely, 252757165 is an apocalyptic number.
It is an amenable number.
52757165 is a deficient number, since it is larger than the sum of its proper divisors (10624363).
52757165 is a wasteful number, since it uses less digits than its factorization.
52757165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12159.
The product of its digits is 73500, while the sum is 38.
The square root of 52757165 is about 7263.4127653604. The cubic root of 52757165 is about 375.0540129606.
The spelling of 52757165 in words is "fifty-two million, seven hundred fifty-seven thousand, one hundred sixty-five".
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