Base | Representation |
---|---|
bin | 1101011101010… |
… | …1101111101111 |
3 | 10221012221212220 |
4 | 3113111233233 |
5 | 103422400111 |
6 | 5333530423 |
7 | 1253550231 |
oct | 327255757 |
9 | 127187786 |
10 | 56450031 |
11 | 29956820 |
12 | 16aa3a13 |
13 | b9061b1 |
14 | 76d6251 |
15 | 4e50e06 |
hex | 35d5bef |
56450031 has 8 divisors (see below), whose sum is σ = 82109184. Its totient is φ = 34212120.
The previous prime is 56449957. The next prime is 56450033. The reversal of 56450031 is 13005465.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 56450031 - 27 = 56449903 is a prime.
It is a super-2 number, since 2×564500312 = 6373211999801922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 56449983 and 56450010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56450033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855271 + ... + 855336.
It is an arithmetic number, because the mean of its divisors is an integer number (10263648).
Almost surely, 256450031 is an apocalyptic number.
56450031 is a deficient number, since it is larger than the sum of its proper divisors (25659153).
56450031 is a wasteful number, since it uses less digits than its factorization.
56450031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1710621.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 56450031 is about 7513.3235655068. The cubic root of 56450031 is about 383.6083585676.
Adding to 56450031 its reverse (13005465), we get a palindrome (69455496).
The spelling of 56450031 in words is "fifty-six million, four hundred fifty thousand, thirty-one".
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