Base | Representation |
---|---|
bin | 1100011110001… |
… | …0100000111111 |
3 | 10122102112010111 |
4 | 3013202200333 |
5 | 101342324111 |
6 | 5105050451 |
7 | 1203416356 |
oct | 307424077 |
9 | 118375114 |
10 | 52308031 |
11 | 27587886 |
12 | 15626a27 |
13 | aab5ac9 |
14 | 6d3899d |
15 | 48d3a21 |
hex | 31e283f |
52308031 has 8 divisors (see below), whose sum is σ = 55669680. Its totient is φ = 48978048.
The previous prime is 52308019. The next prime is 52308071. The reversal of 52308031 is 13080325.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52308031 - 25 = 52307999 is a prime.
It is a super-2 number, since 2×523080312 = 5472260214193922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 52307993 and 52308011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52308071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4461 + ... + 11158.
It is an arithmetic number, because the mean of its divisors is an integer number (6958710).
Almost surely, 252308031 is an apocalyptic number.
52308031 is a deficient number, since it is larger than the sum of its proper divisors (3361649).
52308031 is a wasteful number, since it uses less digits than its factorization.
52308031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15833.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 52308031 is about 7232.4291216714. The cubic root of 52308031 is about 373.9866710531.
Adding to 52308031 its reverse (13080325), we get a palindrome (65388356).
The spelling of 52308031 in words is "fifty-two million, three hundred eight thousand, thirty-one".
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