Base | Representation |
---|---|
bin | 11111011010011111100101 |
3 | 120111101021022 |
4 | 133122133211 |
5 | 4102004411 |
6 | 452300525 |
7 | 126665456 |
oct | 37323745 |
9 | 16441238 |
10 | 8234981 |
11 | 4715077 |
12 | 2911745 |
13 | 1924391 |
14 | 114512d |
15 | ac9edb |
hex | 7da7e5 |
8234981 has 4 divisors (see below), whose sum is σ = 8390412. Its totient is φ = 8079552.
The previous prime is 8234977. The next prime is 8235013. The reversal of 8234981 is 1894328.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6300100 + 1934881 = 2510^2 + 1391^2 .
It is a cyclic number.
It is not a de Polignac number, because 8234981 - 22 = 8234977 is a prime.
It is a super-2 number, since 2×82349812 = 135629824140722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8234921) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77636 + ... + 77741.
It is an arithmetic number, because the mean of its divisors is an integer number (2097603).
Almost surely, 28234981 is an apocalyptic number.
It is an amenable number.
8234981 is a deficient number, since it is larger than the sum of its proper divisors (155431).
8234981 is a wasteful number, since it uses less digits than its factorization.
8234981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155430.
The product of its digits is 13824, while the sum is 35.
The square root of 8234981 is about 2869.6656599681. The cubic root of 8234981 is about 201.9393096112.
The spelling of 8234981 in words is "eight million, two hundred thirty-four thousand, nine hundred eighty-one".
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