Base | Representation |
---|---|
bin | 1001111111110… |
… | …00001101010001 |
3 | 12211210020021200 |
4 | 10333320031101 |
5 | 132431313121 |
6 | 12153141413 |
7 | 2035514526 |
oct | 477701521 |
9 | 184706250 |
10 | 83854161 |
11 | 43373966 |
12 | 240ba869 |
13 | 144ac761 |
14 | b1cb14d |
15 | 7565a26 |
hex | 4ff8351 |
83854161 has 12 divisors (see below), whose sum is σ = 121801680. Its totient is φ = 55589400.
The previous prime is 83854123. The next prime is 83854213. The reversal of 83854161 is 16145838.
It is not a de Polignac number, because 83854161 - 26 = 83854097 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (83854261) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24415 + ... + 27636.
It is an arithmetic number, because the mean of its divisors is an integer number (10150140).
Almost surely, 283854161 is an apocalyptic number.
It is an amenable number.
83854161 is a deficient number, since it is larger than the sum of its proper divisors (37947519).
83854161 is a wasteful number, since it uses less digits than its factorization.
83854161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52236 (or 52233 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 83854161 is about 9157.1917638542. The cubic root of 83854161 is about 437.6983129237.
Adding to 83854161 its reverse (16145838), we get a palindrome (99999999).
The spelling of 83854161 in words is "eighty-three million, eight hundred fifty-four thousand, one hundred sixty-one".
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