Base | Representation |
---|---|
bin | 1001000011101100… |
… | …1000101100111100 |
3 | 20021110010222220200 |
4 | 2100323020230330 |
5 | 14434420434434 |
6 | 1041133443500 |
7 | 114152511450 |
oct | 22073105474 |
9 | 6243128820 |
10 | 2431421244 |
11 | 103852384a |
12 | 57a340590 |
13 | 2c996a7c5 |
14 | 190cbc660 |
15 | e36d1199 |
hex | 90ec8b3c |
2431421244 has 72 divisors (see below), whose sum is σ = 7039119360. Its totient is φ = 693207072.
The previous prime is 2431421191. The next prime is 2431421257. The reversal of 2431421244 is 4421241342.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110637 + ... + 130779.
Almost surely, 22431421244 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2431421244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3519559680).
2431421244 is an abundant number, since it is smaller than the sum of its proper divisors (4607698116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2431421244 is a wasteful number, since it uses less digits than its factorization.
2431421244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20639 (or 20634 counting only the distinct ones).
The product of its digits is 6144, while the sum is 27.
The square root of 2431421244 is about 49309.4437608051. The cubic root of 2431421244 is about 1344.6834786293.
Adding to 2431421244 its reverse (4421241342), we get a palindrome (6852662586).
The spelling of 2431421244 in words is "two billion, four hundred thirty-one million, four hundred twenty-one thousand, two hundred forty-four".
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