Base | Representation |
---|---|
bin | 11110111100111011011001 |
3 | 120021020011010 |
4 | 132330323121 |
5 | 4034121011 |
6 | 445524133 |
7 | 125652426 |
oct | 36747331 |
9 | 16236133 |
10 | 8113881 |
11 | 4642096 |
12 | 2873649 |
13 | 18b1219 |
14 | 1112d4d |
15 | aa41a6 |
hex | 7bced9 |
8113881 has 8 divisors (see below), whose sum is σ = 11191680. Its totient is φ = 5222672.
The previous prime is 8113867. The next prime is 8113883. The reversal of 8113881 is 1883118.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8113881 - 27 = 8113753 is a prime.
It is a super-2 number, since 2×81138812 = 131670129764322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8113883) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46545 + ... + 46718.
It is an arithmetic number, because the mean of its divisors is an integer number (1398960).
Almost surely, 28113881 is an apocalyptic number.
It is an amenable number.
8113881 is a deficient number, since it is larger than the sum of its proper divisors (3077799).
8113881 is a wasteful number, since it uses less digits than its factorization.
8113881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93295.
The product of its digits is 1536, while the sum is 30.
The square root of 8113881 is about 2848.4874933901. The cubic root of 8113881 is about 200.9445405270.
Adding to 8113881 its reverse (1883118), we get a palindrome (9996999).
The spelling of 8113881 in words is "eight million, one hundred thirteen thousand, eight hundred eighty-one".
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