Base | Representation |
---|---|
bin | 11011010010011… |
… | …00010100001111 |
3 | 120221201102201202 |
4 | 31221030110033 |
5 | 432044332114 |
6 | 34414100115 |
7 | 5446431143 |
oct | 1551142417 |
9 | 527642652 |
10 | 228902159 |
11 | 108233642 |
12 | 647aa63b |
13 | 38566685 |
14 | 22587223 |
15 | 15167cde |
hex | da4c50f |
228902159 has 2 divisors, whose sum is σ = 228902160. Its totient is φ = 228902158.
The previous prime is 228902147. The next prime is 228902183. The reversal of 228902159 is 951209822.
228902159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 228902159 - 24 = 228902143 is a prime.
It is a super-2 number, since 2×2289021592 = 104792396789722562, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (228902119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114451079 + 114451080.
It is an arithmetic number, because the mean of its divisors is an integer number (114451080).
Almost surely, 2228902159 is an apocalyptic number.
228902159 is a deficient number, since it is larger than the sum of its proper divisors (1).
228902159 is an equidigital number, since it uses as much as digits as its factorization.
228902159 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25920, while the sum is 38.
The square root of 228902159 is about 15129.5128474118. The cubic root of 228902159 is about 611.7161731946.
The spelling of 228902159 in words is "two hundred twenty-eight million, nine hundred two thousand, one hundred fifty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •