Base | Representation |
---|---|
bin | 1000010101101000… |
… | …0000111101011111 |
3 | 12202222112210122222 |
4 | 2011122000331133 |
5 | 14040434030112 |
6 | 1010032055555 |
7 | 106315203356 |
oct | 20532007537 |
9 | 5688483588 |
10 | 2238189407 |
11 | a49443913 |
12 | 5256945bb |
13 | 29891303c |
14 | 17337c99d |
15 | d1762372 |
hex | 85680f5f |
2238189407 has 2 divisors, whose sum is σ = 2238189408. Its totient is φ = 2238189406.
The previous prime is 2238189377. The next prime is 2238189433. The reversal of 2238189407 is 7049818322.
2238189407 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 is a cyclic number.
It is not a de Polignac number, because 2238189407 - 212 = 2238185311 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2238189487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119094703 + 1119094704.
It is an arithmetic number, because the mean of its divisors is an integer number (1119094704).
Almost surely, 22238189407 is an apocalyptic number.
2238189407 is a deficient number, since it is larger than the sum of its proper divisors (1).
2238189407 is an equidigital number, since it uses as much as digits as its factorization.
2238189407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 193536, while the sum is 44.
The square root of 2238189407 is about 47309.5065182464. The cubic root of 2238189407 is about 1308.0738951338.
The spelling of 2238189407 in words is "two billion, two hundred thirty-eight million, one hundred eighty-nine thousand, four hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •