Base | Representation |
---|---|
bin | 1001111100101… |
… | …00010111101110 |
3 | 12211000110100002 |
4 | 10332110113232 |
5 | 132330221410 |
6 | 12140304302 |
7 | 2032162361 |
oct | 476242756 |
9 | 184013302 |
10 | 83445230 |
11 | 43114700 |
12 | 23b42092 |
13 | 1439859b |
14 | b1220d8 |
15 | 74d47a5 |
hex | 4f945ee |
83445230 has 24 divisors (see below), whose sum is σ = 165099816. Its totient is φ = 30343280.
The previous prime is 83445227. The next prime is 83445239. The reversal of 83445230 is 3254438.
83445230 = 52732 + 52742 + 52752.
It is a junction number, because it is equal to n+sod(n) for n = 83445193 and 83445202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83445239) 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, 33272 + ... + 35691.
It is an arithmetic number, because the mean of its divisors is an integer number (6879159).
Almost surely, 283445230 is an apocalyptic number.
83445230 is a deficient number, since it is larger than the sum of its proper divisors (81654586).
83445230 is a wasteful number, since it uses less digits than its factorization.
83445230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68992 (or 68981 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 29.
The square root of 83445230 is about 9134.8360685893. The cubic root of 83445230 is about 436.9856464136.
Adding to 83445230 its reverse (3254438), we get a palindrome (86699668).
It can be divided in two parts, 834 and 45230, that added together give a palindrome (46064).
The spelling of 83445230 in words is "eighty-three million, four hundred forty-five thousand, two hundred thirty".
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