Base | Representation |
---|---|
bin | 1101011010010… |
… | …1010000010100 |
3 | 10220211212102122 |
4 | 3112211100110 |
5 | 103400021122 |
6 | 5325355112 |
7 | 1252062200 |
oct | 326452024 |
9 | 126755378 |
10 | 56251412 |
11 | 29830578 |
12 | 16a08a98 |
13 | b866979 |
14 | 7683b00 |
15 | 4e12142 |
hex | 35a5414 |
56251412 has 36 divisors (see below), whose sum is σ = 115606260. Its totient is φ = 23877504.
The previous prime is 56251409. The next prime is 56251417. The reversal of 56251412 is 21415265.
It can be written as a sum of positive squares in 2 ways, for example, as 23464336 + 32787076 = 4844^2 + 5726^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56251417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20048 + ... + 22680.
It is an arithmetic number, because the mean of its divisors is an integer number (3211285).
Almost surely, 256251412 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 56251412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57803130).
56251412 is an abundant number, since it is smaller than the sum of its proper divisors (59354848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56251412 is a wasteful number, since it uses less digits than its factorization.
56251412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2760 (or 2751 counting only the distinct ones).
The product of its digits is 2400, while the sum is 26.
The square root of 56251412 is about 7500.0941327426. The cubic root of 56251412 is about 383.1579221816.
Adding to 56251412 its reverse (21415265), we get a palindrome (77666677).
The spelling of 56251412 in words is "fifty-six million, two hundred fifty-one thousand, four hundred twelve".
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