Base | Representation |
---|---|
bin | 1101011010100… |
… | …0000000011001 |
3 | 10220212102220000 |
4 | 3112220000121 |
5 | 103400401211 |
6 | 5325523213 |
7 | 1252140066 |
oct | 326500031 |
9 | 126772800 |
10 | 56262681 |
11 | 29838a92 |
12 | 16a13509 |
13 | b86bb37 |
14 | 7687c6d |
15 | 4e15656 |
hex | 35a8019 |
56262681 has 20 divisors (see below), whose sum is σ = 86322852. Its totient is φ = 36492768.
The previous prime is 56262671. The next prime is 56262691. The reversal of 56262681 is 18626265.
56262681 is a `hidden beast` number, since 5 + 626 + 26 + 8 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (56262671) and next prime (56262691).
It can be written as a sum of positive squares in 2 ways, for example, as 54464400 + 1798281 = 7380^2 + 1341^2 .
It is not a de Polignac number, because 56262681 - 25 = 56262649 is a prime.
It is a super-2 number, since 2×562626812 = 6330978546615522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (56262611) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6390 + ... + 12383.
Almost surely, 256262681 is an apocalyptic number.
It is an amenable number.
56262681 is a deficient number, since it is larger than the sum of its proper divisors (30060171).
56262681 is a wasteful number, since it uses less digits than its factorization.
56262681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18822 (or 18813 counting only the distinct ones).
The product of its digits is 34560, while the sum is 36.
The square root of 56262681 is about 7500.8453523586. The cubic root of 56262681 is about 383.1835068331.
The spelling of 56262681 in words is "fifty-six million, two hundred sixty-two thousand, six hundred eighty-one".
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