Base | Representation |
---|---|
bin | 1001111001101… |
… | …10110001011001 |
3 | 12210021222102210 |
4 | 10330312301121 |
5 | 132230434344 |
6 | 12124145333 |
7 | 2026004553 |
oct | 474666131 |
9 | 183258383 |
10 | 83061849 |
11 | 42982662 |
12 | 23998249 |
13 | 14292c30 |
14 | b0624d3 |
15 | 745adb9 |
hex | 4f36c59 |
83061849 has 8 divisors (see below), whose sum is σ = 119268352. Its totient is φ = 51114960.
The previous prime is 83061841. The next prime is 83061851. The reversal of 83061849 is 94816038.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83061849 - 23 = 83061841 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2129791 = 83061849 / (8 + 3 + 0 + 6 + 1 + 8 + 4 + 9).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83061841) 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, 1064857 + ... + 1064934.
It is an arithmetic number, because the mean of its divisors is an integer number (14908544).
Almost surely, 283061849 is an apocalyptic number.
It is an amenable number.
83061849 is a deficient number, since it is larger than the sum of its proper divisors (36206503).
83061849 is a wasteful number, since it uses less digits than its factorization.
83061849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2129807.
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 83061849 is about 9113.8273518868. The cubic root of 83061849 is about 436.3153895245.
The spelling of 83061849 in words is "eighty-three million, sixty-one thousand, eight hundred forty-nine".
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