Base | Representation |
---|---|
bin | 1000010011101011… |
… | …0110110011010100 |
3 | 12202102011211011200 |
4 | 2010322312303110 |
5 | 14031341140312 |
6 | 1005141032500 |
7 | 106155603630 |
oct | 20472666324 |
9 | 5672154150 |
10 | 2230021332 |
11 | a44875040 |
12 | 5229b5730 |
13 | 297013266 |
14 | 172253dc0 |
15 | d0b9c0dc |
hex | 84eb6cd4 |
2230021332 has 144 divisors (see below), whose sum is σ = 7254933504. Its totient is φ = 560520000.
The previous prime is 2230021247. The next prime is 2230021333. The reversal of 2230021332 is 2331200322.
It is a happy number.
2230021332 is digitally balanced in base 2 and base 4, because in such bases 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 (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2230021333) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72957 + ... + 98907.
Almost surely, 22230021332 is an apocalyptic number.
2230021332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2230021332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3627466752).
2230021332 is an abundant number, since it is smaller than the sum of its proper divisors (5024912172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2230021332 is a wasteful number, since it uses less digits than its factorization.
2230021332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26010 (or 26005 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 2230021332 is about 47223.1016770394. The cubic root of 2230021332 is about 1306.4807220423.
Adding to 2230021332 its reverse (2331200322), we get a palindrome (4561221654).
The spelling of 2230021332 in words is "two billion, two hundred thirty million, twenty-one thousand, three hundred thirty-two".
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