Base | Representation |
---|---|
bin | 1001111111111… |
… | …10100111011110 |
3 | 12211211120022000 |
4 | 10333332213132 |
5 | 132433133124 |
6 | 12153503130 |
7 | 2035654212 |
oct | 477764736 |
9 | 184746260 |
10 | 83880414 |
11 | 43391662 |
12 | 24111aa6 |
13 | 144bb6a7 |
14 | b1d6942 |
15 | 756d6c9 |
hex | 4ffe9de |
83880414 has 32 divisors (see below), whose sum is σ = 197367840. Its totient is φ = 26315136.
The previous prime is 83880413. The next prime is 83880437. The reversal of 83880414 is 41408838.
It is a super-2 number, since 2×838804142 = 14071847705622792, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83880413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44769 + ... + 46604.
It is an arithmetic number, because the mean of its divisors is an integer number (6167745).
Almost surely, 283880414 is an apocalyptic number.
83880414 is an abundant number, since it is smaller than the sum of its proper divisors (113487426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83880414 is a wasteful number, since it uses less digits than its factorization.
83880414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91401 (or 91395 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 36.
The square root of 83880414 is about 9158.6251151578. The cubic root of 83880414 is about 437.7439862479.
Subtracting from 83880414 its product of nonzero digits (24576), we obtain a palindrome (83855838).
The spelling of 83880414 in words is "eighty-three million, eight hundred eighty thousand, four hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •