Base | Representation |
---|---|
bin | 11011010101110… |
… | …01001011110001 |
3 | 120222120002102101 |
4 | 31222321023301 |
5 | 432203114311 |
6 | 34431420401 |
7 | 5453266204 |
oct | 1552711361 |
9 | 528502371 |
10 | 229348081 |
11 | 108508676 |
12 | 64984701 |
13 | 38691631 |
14 | 2266193b |
15 | 15204ec1 |
hex | dab92f1 |
229348081 has 2 divisors, whose sum is σ = 229348082. Its totient is φ = 229348080.
The previous prime is 229348079. The next prime is 229348103. The reversal of 229348081 is 180843922.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 184525056 + 44823025 = 13584^2 + 6695^2 .
It is a cyclic number.
It is not a de Polignac number, because 229348081 - 21 = 229348079 is a prime.
It is a super-2 number, since 2×2293480812 = 105201084516765122, which contains 22 as substring.
Together with 229348079, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 229348081.
It is not a weakly prime, because it can be changed into another prime (229348181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114674040 + 114674041.
It is an arithmetic number, because the mean of its divisors is an integer number (114674041).
Almost surely, 2229348081 is an apocalyptic number.
It is an amenable number.
229348081 is a deficient number, since it is larger than the sum of its proper divisors (1).
229348081 is an equidigital number, since it uses as much as digits as its factorization.
229348081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 229348081 is about 15144.2425033410. The cubic root of 229348081 is about 612.1131415765.
The spelling of 229348081 in words is "two hundred twenty-nine million, three hundred forty-eight thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •