Base | Representation |
---|---|
bin | 1100011010010… |
… | …0010011101111 |
3 | 10121221120121110 |
4 | 3012210103233 |
5 | 101311200411 |
6 | 5055403103 |
7 | 1201305456 |
oct | 306442357 |
9 | 117846543 |
10 | 52053231 |
11 | 274233aa |
12 | 15523493 |
13 | aa26b39 |
14 | 6cadb9d |
15 | 48832a6 |
hex | 31a44ef |
52053231 has 16 divisors (see below), whose sum is σ = 73553760. Its totient is φ = 32686080.
The previous prime is 52053229. The next prime is 52053233. The reversal of 52053231 is 13235025.
It is an interprime number because it is at equal distance from previous prime (52053229) and next prime (52053233).
It is not a de Polignac number, because 52053231 - 21 = 52053229 is a prime.
It is a super-2 number, since 2×520532312 = 5419077715078722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 52053198 and 52053207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52053233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3730 + ... + 10863.
It is an arithmetic number, because the mean of its divisors is an integer number (4597110).
Almost surely, 252053231 is an apocalyptic number.
52053231 is a deficient number, since it is larger than the sum of its proper divisors (21500529).
52053231 is a wasteful number, since it uses less digits than its factorization.
52053231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14666.
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 52053231 is about 7214.7925126091. The cubic root of 52053231 is about 373.3784346200.
Adding to 52053231 its reverse (13235025), we get a palindrome (65288256).
The spelling of 52053231 in words is "fifty-two million, fifty-three thousand, two hundred thirty-one".
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