Base | Representation |
---|---|
bin | 10000000001101… |
… | …010110010001001 |
3 | 200201221011012101 |
4 | 100001222302021 |
5 | 1022312412331 |
6 | 42402513401 |
7 | 6443244556 |
oct | 2001526211 |
9 | 621834171 |
10 | 268872841 |
11 | 128854166 |
12 | 76065861 |
13 | 4391ca73 |
14 | 279cda2d |
15 | 18911061 |
hex | 1006ac89 |
268872841 has 2 divisors, whose sum is σ = 268872842. Its totient is φ = 268872840.
The previous prime is 268872823. The next prime is 268872847. The reversal of 268872841 is 148278862.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 160275600 + 108597241 = 12660^2 + 10421^2 .
It is a cyclic number.
It is not a de Polignac number, because 268872841 - 27 = 268872713 is a prime.
It is a super-2 number, since 2×2688728412 = 144585209254822562, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 268872791 and 268872800.
It is not a weakly prime, because it can be changed into another prime (268872847) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134436420 + 134436421.
It is an arithmetic number, because the mean of its divisors is an integer number (134436421).
Almost surely, 2268872841 is an apocalyptic number.
It is an amenable number.
268872841 is a deficient number, since it is larger than the sum of its proper divisors (1).
268872841 is an equidigital number, since it uses as much as digits as its factorization.
268872841 is an evil number, because the sum of its binary digits is even.
The product of its digits is 344064, while the sum is 46.
The square root of 268872841 is about 16397.3424981001. The cubic root of 268872841 is about 645.4297486587.
The spelling of 268872841 in words is "two hundred sixty-eight million, eight hundred seventy-two thousand, eight hundred forty-one".
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