Base | Representation |
---|---|
bin | 11011000100110… |
… | …01100011000101 |
3 | 120211100221220211 |
4 | 31202121203011 |
5 | 431120340344 |
6 | 34311555421 |
7 | 5425333240 |
oct | 1542314305 |
9 | 524327824 |
10 | 227121349 |
11 | 1072276a4 |
12 | 6408bb71 |
13 | 38091c40 |
14 | 22242257 |
15 | 14e15334 |
hex | d8998c5 |
227121349 has 8 divisors (see below), whose sum is σ = 279534080. Its totient is φ = 179700336.
The previous prime is 227121319. The next prime is 227121353. The reversal of 227121349 is 943121722.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 227121349 - 25 = 227121317 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 227121349.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227121319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247829 + ... + 1248010.
It is an arithmetic number, because the mean of its divisors is an integer number (34941760).
Almost surely, 2227121349 is an apocalyptic number.
It is an amenable number.
227121349 is a deficient number, since it is larger than the sum of its proper divisors (52412731).
227121349 is a wasteful number, since it uses less digits than its factorization.
227121349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2495859.
The product of its digits is 6048, while the sum is 31.
The square root of 227121349 is about 15070.5457432702. The cubic root of 227121349 is about 610.1257010505.
The spelling of 227121349 in words is "two hundred twenty-seven million, one hundred twenty-one thousand, three hundred forty-nine".
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