Base | Representation |
---|---|
bin | 1000100101000101… |
… | …0101010101010100 |
3 | 12221111112122211200 |
4 | 2021101111111110 |
5 | 14204033204140 |
6 | 1020305432500 |
7 | 111033240036 |
oct | 21121252524 |
9 | 5844478750 |
10 | 2303022420 |
11 | a81aa5916 |
12 | 54333b730 |
13 | 2a9192a7a |
14 | 17bc17c56 |
15 | d72bc030 |
hex | 89455554 |
2303022420 has 72 divisors (see below), whose sum is σ = 7000680960. Its totient is φ = 612834240.
The previous prime is 2303022401. The next prime is 2303022427. The reversal of 2303022420 is 242203032.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2303022393 and 2303022402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2303022427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72865 + ... + 99575.
It is an arithmetic number, because the mean of its divisors is an integer number (97231680).
Almost surely, 22303022420 is an apocalyptic number.
2303022420 is a gapful number since it is divisible by the number (20) 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 2303022420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3500340480).
2303022420 is an abundant number, since it is smaller than the sum of its proper divisors (4697658540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2303022420 is a wasteful number, since it uses less digits than its factorization.
2303022420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27205 (or 27200 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 2303022420 is about 47989.8157946038. The cubic root of 2303022420 is about 1320.5840734770.
Adding to 2303022420 its reverse (242203032), we get a palindrome (2545225452).
The spelling of 2303022420 in words is "two billion, three hundred three million, twenty-two thousand, four hundred twenty".
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