Base | Representation |
---|---|
bin | 1001001101100011… |
… | …1110010011000101 |
3 | 20101100000010022012 |
4 | 2103120332103011 |
5 | 20031014004011 |
6 | 1045212344005 |
7 | 115164300545 |
oct | 22330762305 |
9 | 6340003265 |
10 | 2472797381 |
11 | 10599142aa |
12 | 590175005 |
13 | 3053c6822 |
14 | 1965ad325 |
15 | e7155a8b |
hex | 9363e4c5 |
2472797381 has 2 divisors, whose sum is σ = 2472797382. Its totient is φ = 2472797380.
The previous prime is 2472797329. The next prime is 2472797399. The reversal of 2472797381 is 1837972742.
It is a happy number.
2472797381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1988357281 + 484440100 = 44591^2 + 22010^2 .
It is a cyclic number.
It is not a de Polignac number, because 2472797381 - 214 = 2472780997 is a prime.
It is a super-2 number, since 2×24727973812 = 12229453774960918322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2472797081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1236398690 + 1236398691.
It is an arithmetic number, because the mean of its divisors is an integer number (1236398691).
Almost surely, 22472797381 is an apocalyptic number.
It is an amenable number.
2472797381 is a deficient number, since it is larger than the sum of its proper divisors (1).
2472797381 is an equidigital number, since it uses as much as digits as its factorization.
2472797381 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1185408, while the sum is 50.
The square root of 2472797381 is about 49727.2297740383. The cubic root of 2472797381 is about 1352.2682272826.
The spelling of 2472797381 in words is "two billion, four hundred seventy-two million, seven hundred ninety-seven thousand, three hundred eighty-one".
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