Base | Representation |
---|---|
bin | 1001111011111… |
… | …11110110001001 |
3 | 12210212012000102 |
4 | 10331333312021 |
5 | 132320024121 |
6 | 12134415145 |
7 | 2031362312 |
oct | 475776611 |
9 | 183765012 |
10 | 83361161 |
11 | 43067524 |
12 | 23b014b5 |
13 | 14369240 |
14 | b0dd609 |
15 | 74b990b |
hex | 4f7fd89 |
83361161 has 8 divisors (see below), whose sum is σ = 89861184. Its totient is φ = 76873680.
The previous prime is 83361143. The next prime is 83361169. The reversal of 83361161 is 16116338.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83361161 - 26 = 83361097 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (83361169) 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, 14300 + ... + 19266.
It is an arithmetic number, because the mean of its divisors is an integer number (11232648).
Almost surely, 283361161 is an apocalyptic number.
It is an amenable number.
83361161 is a deficient number, since it is larger than the sum of its proper divisors (6500023).
83361161 is a wasteful number, since it uses less digits than its factorization.
83361161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6271.
The product of its digits is 2592, while the sum is 29.
The square root of 83361161 is about 9130.2333486062. The cubic root of 83361161 is about 436.8388463693.
Adding to 83361161 its reverse (16116338), we get a palindrome (99477499).
The spelling of 83361161 in words is "eighty-three million, three hundred sixty-one thousand, one hundred sixty-one".
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