Base | Representation |
---|---|
bin | 11001011100001… |
… | …11000001101101 |
3 | 112212120112222010 |
4 | 30232013001231 |
5 | 414113221442 |
6 | 33102111433 |
7 | 5200663146 |
oct | 1456070155 |
9 | 485515863 |
10 | 213413997 |
11 | aa515105 |
12 | 5b57b579 |
13 | 352a2a94 |
14 | 204b4acd |
15 | 13b08b9c |
hex | cb8706d |
213413997 has 8 divisors (see below), whose sum is σ = 288154240. Its totient is φ = 140474880.
The previous prime is 213413983. The next prime is 213414017. The reversal of 213413997 is 799314312.
213413997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213413997 - 211 = 213411949 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 (213413927) 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, 450004 + ... + 450477.
It is an arithmetic number, because the mean of its divisors is an integer number (36019280).
Almost surely, 2213413997 is an apocalyptic number.
It is an amenable number.
213413997 is a deficient number, since it is larger than the sum of its proper divisors (74740243).
213413997 is an equidigital number, since it uses as much as digits as its factorization.
213413997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 900563.
The product of its digits is 40824, while the sum is 39.
The square root of 213413997 is about 14608.6959376941. The cubic root of 213413997 is about 597.5959330800.
The spelling of 213413997 in words is "two hundred thirteen million, four hundred thirteen thousand, nine hundred ninety-seven".
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