Base | Representation |
---|---|
bin | 1101011000011… |
… | …0011111110111 |
3 | 10220121110121200 |
4 | 3112012133313 |
5 | 103332003211 |
6 | 5322543543 |
7 | 1251025665 |
oct | 326063767 |
9 | 126543550 |
10 | 56125431 |
11 | 2975495a |
12 | 16967bb3 |
13 | b82151b |
14 | 764dc35 |
15 | 4dd9b56 |
hex | 35867f7 |
56125431 has 12 divisors (see below), whose sum is σ = 82280952. Its totient is φ = 36858096.
The previous prime is 56125417. The next prime is 56125439. The reversal of 56125431 is 13452165.
56125431 is a `hidden beast` number, since 5 + 612 + 5 + 43 + 1 = 666.
It is not a de Polignac number, because 56125431 - 210 = 56124407 is a prime.
It is a super-2 number, since 2×561254312 = 6300128009871522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 56125395 and 56125404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56125439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45936 + ... + 47141.
It is an arithmetic number, because the mean of its divisors is an integer number (6856746).
Almost surely, 256125431 is an apocalyptic number.
56125431 is a deficient number, since it is larger than the sum of its proper divisors (26155521).
56125431 is a wasteful number, since it uses less digits than its factorization.
56125431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93150 (or 93147 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 56125431 is about 7491.6907971432. The cubic root of 56125431 is about 382.8716674483.
Adding to 56125431 its reverse (13452165), we get a palindrome (69577596).
The spelling of 56125431 in words is "fifty-six million, one hundred twenty-five thousand, four hundred thirty-one".
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