Base | Representation |
---|---|
bin | 11001101001010… |
… | …00110000101010 |
3 | 112222210111001212 |
4 | 30310220300222 |
5 | 420033000114 |
6 | 33202513122 |
7 | 5221350455 |
oct | 1464506052 |
9 | 488714055 |
10 | 215125034 |
11 | 100483693 |
12 | 600657a2 |
13 | 35751827 |
14 | 207dc49c |
15 | 13d45b3e |
hex | cd28c2a |
215125034 has 8 divisors (see below), whose sum is σ = 323041440. Its totient is φ = 107444556.
The previous prime is 215124989. The next prime is 215125037. The reversal of 215125034 is 430521512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (215125037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56684 + ... + 60359.
It is an arithmetic number, because the mean of its divisors is an integer number (40380180).
Almost surely, 2215125034 is an apocalyptic number.
215125034 is a deficient number, since it is larger than the sum of its proper divisors (107916406).
215125034 is a wasteful number, since it uses less digits than its factorization.
215125034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117964.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 215125034 is about 14667.1413029261. The cubic root of 215125034 is about 599.1887499128.
Adding to 215125034 its reverse (430521512), we get a palindrome (645646546).
The spelling of 215125034 in words is "two hundred fifteen million, one hundred twenty-five thousand, thirty-four".
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