Base | Representation |
---|---|
bin | 11001101010111… |
… | …01110010010110 |
3 | 120000012112000011 |
4 | 30311131302112 |
5 | 420111422410 |
6 | 33211310434 |
7 | 5223243625 |
oct | 1465356226 |
9 | 500175004 |
10 | 215342230 |
11 | 100611894 |
12 | 6014b41a |
13 | 357c964c |
14 | 208576bc |
15 | 13d8a18a |
hex | cd5dc96 |
215342230 has 16 divisors (see below), whose sum is σ = 410417280. Its totient is φ = 81069952.
The previous prime is 215342177. The next prime is 215342273. The reversal of 215342230 is 32243512.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633190 + ... + 633529.
It is an arithmetic number, because the mean of its divisors is an integer number (25651080).
Almost surely, 2215342230 is an apocalyptic number.
215342230 is a deficient number, since it is larger than the sum of its proper divisors (195075050).
215342230 is a wasteful number, since it uses less digits than its factorization.
215342230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1266743.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 215342230 is about 14674.5436044873. The cubic root of 215342230 is about 599.3903344267.
Adding to 215342230 its reverse (32243512), we get a palindrome (247585742).
The spelling of 215342230 in words is "two hundred fifteen million, three hundred forty-two thousand, two hundred thirty".
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