Base | Representation |
---|---|
bin | 1100011010001… |
… | …0010110111101 |
3 | 10121221011122200 |
4 | 3012202112331 |
5 | 101310421440 |
6 | 5055302113 |
7 | 1201243260 |
oct | 306422675 |
9 | 117834580 |
10 | 52045245 |
11 | 274183aa |
12 | 1551a939 |
13 | aa23305 |
14 | 6caacd7 |
15 | 4880c30 |
hex | 31a25bd |
52045245 has 48 divisors (see below), whose sum is σ = 109175040. Its totient is φ = 22390272.
The previous prime is 52045241. The next prime is 52045271. The reversal of 52045245 is 54254025.
It is not a de Polignac number, because 52045245 - 22 = 52045241 is a prime.
It is a super-2 number, since 2×520452452 = 5417415054220050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52045241) 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, 496 + ... + 10214.
It is an arithmetic number, because the mean of its divisors is an integer number (2274480).
Almost surely, 252045245 is an apocalyptic number.
It is an amenable number.
52045245 is an abundant number, since it is smaller than the sum of its proper divisors (57129795).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52045245 is a wasteful number, since it uses less digits than its factorization.
52045245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9754 (or 9751 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 27.
The square root of 52045245 is about 7214.2390451107. The cubic root of 52045245 is about 373.3593390863.
The spelling of 52045245 in words is "fifty-two million, forty-five thousand, two hundred forty-five".
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