Base | Representation |
---|---|
bin | 1101100100000… |
… | …0011101100101 |
3 | 10222001011111011 |
4 | 3121000131211 |
5 | 104030342031 |
6 | 5351142221 |
7 | 1260350503 |
oct | 331003545 |
9 | 128034434 |
10 | 56887141 |
11 | 2a125173 |
12 | 17074971 |
13 | ba2a13c |
14 | 77ab673 |
15 | 4eda6b1 |
hex | 3640765 |
56887141 has 2 divisors, whose sum is σ = 56887142. Its totient is φ = 56887140.
The previous prime is 56887123. The next prime is 56887169. The reversal of 56887141 is 14178865.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 44957025 + 11930116 = 6705^2 + 3454^2 .
It is a cyclic number.
It is not a de Polignac number, because 56887141 - 215 = 56854373 is a prime.
It is a super-2 number, since 2×568871412 = 6472293622307762, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 56887094 and 56887103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (56887841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28443570 + 28443571.
It is an arithmetic number, because the mean of its divisors is an integer number (28443571).
Almost surely, 256887141 is an apocalyptic number.
It is an amenable number.
56887141 is a deficient number, since it is larger than the sum of its proper divisors (1).
56887141 is an equidigital number, since it uses as much as digits as its factorization.
56887141 is an evil number, because the sum of its binary digits is even.
The product of its digits is 53760, while the sum is 40.
The square root of 56887141 is about 7542.3564620084. The cubic root of 56887141 is about 384.5959464812.
The spelling of 56887141 in words is "fifty-six million, eight hundred eighty-seven thousand, one hundred forty-one".
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