Base | Representation |
---|---|
bin | 11001011001010… |
… | …00000100010001 |
3 | 112211211210102100 |
4 | 30230220010101 |
5 | 414013300131 |
6 | 33045511013 |
7 | 5164453155 |
oct | 1454500421 |
9 | 484753370 |
10 | 213025041 |
11 | aa279959 |
12 | 5b412469 |
13 | 35197a28 |
14 | 20413065 |
15 | 13a7d7e6 |
hex | cb28111 |
213025041 has 6 divisors (see below), whose sum is σ = 307702850. Its totient is φ = 142016688.
The previous prime is 213025031. The next prime is 213025067. The reversal of 213025041 is 140520312.
It can be written as a sum of positive squares in only one way, i.e., 203661441 + 9363600 = 14271^2 + 3060^2 .
It is not a de Polignac number, because 213025041 - 213 = 213016849 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (213025031) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11834716 + ... + 11834733.
Almost surely, 2213025041 is an apocalyptic number.
It is an amenable number.
213025041 is a deficient number, since it is larger than the sum of its proper divisors (94677809).
213025041 is a wasteful number, since it uses less digits than its factorization.
213025041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23669455 (or 23669452 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 213025041 is about 14595.3773846379. The cubic root of 213025041 is about 597.2326643788.
Adding to 213025041 its reverse (140520312), we get a palindrome (353545353).
The spelling of 213025041 in words is "two hundred thirteen million, twenty-five thousand, forty-one".
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