| Base | Representation |
|---|---|
| bin | 10111110101110… |
| … | …11001110000010 |
| 3 | 111221022212100000 |
| 4 | 23322323032002 |
| 5 | 402144340130 |
| 6 | 31502340430 |
| 7 | 4645640364 |
| oct | 1372731602 |
| 9 | 457285300 |
| 10 | 199996290 |
| 11 | a299019a |
| 12 | 56b8a716 |
| 13 | 32585700 |
| 14 | 1c7c0d34 |
| 15 | 12858260 |
| hex | bebb382 |
199996290 has 144 divisors (see below), whose sum is σ = 585119808. Its totient is φ = 49128768.
The previous prime is 199996289. The next prime is 199996297. The reversal of 199996290 is 92699991.
It is a happy number.
199996290 is a `hidden beast` number, since 1 + 9 + 9 + 9 + 9 + 629 + 0 = 666.
199996290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (199996297) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 410427 + ... + 410913.
It is an arithmetic number, because the mean of its divisors is an integer number (4063332).
Almost surely, 2199996290 is an apocalyptic number.
199996290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 199996290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292559904).
199996290 is an abundant number, since it is smaller than the sum of its proper divisors (385123518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199996290 is a wasteful number, since it uses less digits than its factorization.
199996290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535 (or 510 counting only the distinct ones).
The product of its (nonzero) digits is 708588, while the sum is 54.
The square root of 199996290 is about 14142.0044548147. The cubic root of 199996290 is about 584.7999315849.
It can be divided in two parts, 1999 and 96290, that added together give a palindrome (98289).
The spelling of 199996290 in words is "one hundred ninety-nine million, nine hundred ninety-six thousand, two hundred ninety".
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