Base | Representation |
---|---|
bin | 11001011100111… |
… | …11000101000010 |
3 | 112212202120002220 |
4 | 30232133011002 |
5 | 414124400024 |
6 | 33104151510 |
7 | 5201553315 |
oct | 1456370502 |
9 | 485676086 |
10 | 213512514 |
11 | aa582126 |
12 | 5b608596 |
13 | 35308887 |
14 | 204dc97c |
15 | 13b27e79 |
hex | cb9f142 |
213512514 has 32 divisors (see below), whose sum is σ = 436155840. Its totient is φ = 69655872.
The previous prime is 213512491. The next prime is 213512539. The reversal of 213512514 is 415215312.
It is a happy number.
213512514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224989 + ... + 225935.
It is an arithmetic number, because the mean of its divisors is an integer number (13629870).
Almost surely, 2213512514 is an apocalyptic number.
213512514 is an abundant number, since it is smaller than the sum of its proper divisors (222643326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213512514 is a wasteful number, since it uses less digits than its factorization.
213512514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1714.
The product of its digits is 1200, while the sum is 24.
The square root of 213512514 is about 14612.0674101922. The cubic root of 213512514 is about 597.6878737877.
Adding to 213512514 its reverse (415215312), we get a palindrome (628727826).
The spelling of 213512514 in words is "two hundred thirteen million, five hundred twelve thousand, five hundred fourteen".
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