Base | Representation |
---|---|
bin | 11001011100111… |
… | …11000010010101 |
3 | 112212202112212111 |
4 | 30232133002111 |
5 | 414124343331 |
6 | 33104151021 |
7 | 5201552650 |
oct | 1456370225 |
9 | 485675774 |
10 | 213512341 |
11 | aa581a89 |
12 | 5b608471 |
13 | 35308783 |
14 | 204dc897 |
15 | 13b27db1 |
hex | cb9f095 |
213512341 has 8 divisors (see below), whose sum is σ = 245090880. Its totient is φ = 182203008.
The previous prime is 213512293. The next prime is 213512353. The reversal of 213512341 is 143215312.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 213512341 - 221 = 211415189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213512041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65596 + ... + 68773.
It is an arithmetic number, because the mean of its divisors is an integer number (30636360).
Almost surely, 2213512341 is an apocalyptic number.
It is an amenable number.
213512341 is a deficient number, since it is larger than the sum of its proper divisors (31578539).
213512341 is a wasteful number, since it uses less digits than its factorization.
213512341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134603.
The product of its digits is 720, while the sum is 22.
The square root of 213512341 is about 14612.0614904263. The cubic root of 213512341 is about 597.6877123608.
Adding to 213512341 its reverse (143215312), we get a palindrome (356727653).
The spelling of 213512341 in words is "two hundred thirteen million, five hundred twelve thousand, three hundred forty-one".
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