Base | Representation |
---|---|
bin | 11001011100001… |
… | …11010110011101 |
3 | 112212120121210022 |
4 | 30232013112131 |
5 | 414113242300 |
6 | 33102121525 |
7 | 5201000054 |
oct | 1456072635 |
9 | 485517708 |
10 | 213415325 |
11 | aa516102 |
12 | 5b5802a5 |
13 | 352a3576 |
14 | 204b539b |
15 | 13b09285 |
hex | cb8759d |
213415325 has 12 divisors (see below), whose sum is σ = 267611220. Its totient is φ = 168812160.
The previous prime is 213415283. The next prime is 213415339. The reversal of 213415325 is 523514312.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 14577124 + 198838201 = 3818^2 + 14101^2 .
It is not a de Polignac number, because 213415325 - 212 = 213411229 is a prime.
It is a super-2 number, since 2×2134153252 = 91092201889711250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213415294 and 213415303.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45734 + ... + 50183.
It is an arithmetic number, because the mean of its divisors is an integer number (22300935).
Almost surely, 2213415325 is an apocalyptic number.
213415325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
213415325 is a deficient number, since it is larger than the sum of its proper divisors (54195895).
213415325 is an equidigital number, since it uses as much as digits as its factorization.
213415325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96016 (or 96011 counting only the distinct ones).
The product of its digits is 3600, while the sum is 26.
The square root of 213415325 is about 14608.7413900035. The cubic root of 213415325 is about 597.5971726203.
Adding to 213415325 its reverse (523514312), we get a palindrome (736929637).
The spelling of 213415325 in words is "two hundred thirteen million, four hundred fifteen thousand, three hundred twenty-five".
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