Base | Representation |
---|---|
bin | 11111000001000111110000 |
3 | 120022002201020 |
4 | 133001013300 |
5 | 4040143211 |
6 | 450135440 |
7 | 126053463 |
oct | 37010760 |
9 | 16262636 |
10 | 8131056 |
11 | 4653a8a |
12 | 2881580 |
13 | 18b8c9b |
14 | 11192da |
15 | aa9306 |
hex | 7c11f0 |
8131056 has 40 divisors (see below), whose sum is σ = 21357264. Its totient is φ = 2664960.
The previous prime is 8131051. The next prime is 8131091. The reversal of 8131056 is 6501318.
It is a super-2 number, since 2×81310562 = 132228143350272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8131051) 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 7 ways as a sum of consecutive naturals, for example, 1540 + ... + 4316.
Almost surely, 28131056 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 8131056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10678632).
8131056 is an abundant number, since it is smaller than the sum of its proper divisors (13226208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8131056 is a wasteful number, since it uses less digits than its factorization.
8131056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2849 (or 2843 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 8131056 is about 2851.5006575486. The cubic root of 8131056 is about 201.0862232485.
The spelling of 8131056 in words is "eight million, one hundred thirty-one thousand, fifty-six".
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