Base | Representation |
---|---|
bin | 11011111010111… |
… | …10111010011111 |
3 | 121022201200002211 |
4 | 31331132322133 |
5 | 434430034330 |
6 | 35124101251 |
7 | 5542563454 |
oct | 1575367237 |
9 | 538650084 |
10 | 234221215 |
11 | 110236958 |
12 | 66534827 |
13 | 396a9747 |
14 | 2316d82b |
15 | 15868d2a |
hex | df5ee9f |
234221215 has 8 divisors (see below), whose sum is σ = 287602128. Its totient is φ = 183019200.
The previous prime is 234221203. The next prime is 234221219. The reversal of 234221215 is 512122432.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 234221215 - 29 = 234220703 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (234221219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544486 + ... + 544915.
It is an arithmetic number, because the mean of its divisors is an integer number (35950266).
Almost surely, 2234221215 is an apocalyptic number.
234221215 is a deficient number, since it is larger than the sum of its proper divisors (53380913).
234221215 is a wasteful number, since it uses less digits than its factorization.
234221215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1089449.
The product of its digits is 960, while the sum is 22.
The square root of 234221215 is about 15304.2874711631. The cubic root of 234221215 is about 616.4181387939.
Adding to 234221215 its reverse (512122432), we get a palindrome (746343647).
The spelling of 234221215 in words is "two hundred thirty-four million, two hundred twenty-one thousand, two hundred fifteen".
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