Base | Representation |
---|---|
bin | 11001011100001… |
… | …11010110100100 |
3 | 112212120121210120 |
4 | 30232013112210 |
5 | 414113242312 |
6 | 33102121540 |
7 | 5201000064 |
oct | 1456072644 |
9 | 485517716 |
10 | 213415332 |
11 | aa516109 |
12 | 5b5802b0 |
13 | 352a3580 |
14 | 204b53a4 |
15 | 13b0928c |
hex | cb875a4 |
213415332 has 96 divisors (see below), whose sum is σ = 559380864. Its totient is φ = 62899200.
The previous prime is 213415283. The next prime is 213415339. The reversal of 213415332 is 233514312.
213415332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2134153322 = 91092207865340448, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (213415339) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389883 + ... + 390429.
It is an arithmetic number, because the mean of its divisors is an integer number (5826884).
Almost surely, 2213415332 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213415332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279690432).
213415332 is an abundant number, since it is smaller than the sum of its proper divisors (345965532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213415332 is a wasteful number, since it uses less digits than its factorization.
213415332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 669 (or 667 counting only the distinct ones).
The product of its digits is 2160, while the sum is 24.
The square root of 213415332 is about 14608.7416295860. The cubic root of 213415332 is about 597.5971791540.
Adding to 213415332 its reverse (233514312), we get a palindrome (446929644).
The spelling of 213415332 in words is "two hundred thirteen million, four hundred fifteen thousand, three hundred thirty-two".
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