Base | Representation |
---|---|
bin | 1100011101011… |
… | …0110110111001 |
3 | 10122100002121222 |
4 | 3013112312321 |
5 | 101334312111 |
6 | 5104041425 |
7 | 1203130223 |
oct | 307266671 |
9 | 118302558 |
10 | 52260281 |
11 | 27554a17 |
12 | 15603275 |
13 | aa9a158 |
14 | 6d25413 |
15 | 48c47db |
hex | 31d6db9 |
52260281 has 6 divisors (see below), whose sum is σ = 53582382. Its totient is φ = 50940480.
The previous prime is 52260259. The next prime is 52260283. The reversal of 52260281 is 18206225.
It can be written as a sum of positive squares in 3 ways, for example, as 7155625 + 45104656 = 2675^2 + 6716^2 .
It is not a de Polignac number, because 52260281 - 210 = 52259257 is a prime.
It is a super-2 number, since 2×522602812 = 5462273940397922, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 52260281.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52260283) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45725 + ... + 46853.
It is an arithmetic number, because the mean of its divisors is an integer number (8930397).
Almost surely, 252260281 is an apocalyptic number.
It is an amenable number.
52260281 is a deficient number, since it is larger than the sum of its proper divisors (1322101).
52260281 is an frugal number, since it uses more digits than its factorization.
52260281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2299 (or 1170 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 52260281 is about 7229.1272640617. The cubic root of 52260281 is about 373.8728370339.
The spelling of 52260281 in words is "fifty-two million, two hundred sixty thousand, two hundred eighty-one".
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