Base | Representation |
---|---|
bin | 11001011100010… |
… | …01011110111101 |
3 | 112212121001202212 |
4 | 30232021132331 |
5 | 414114032221 |
6 | 33102230205 |
7 | 5201034404 |
oct | 1456113675 |
9 | 485531685 |
10 | 213424061 |
11 | aa521724 |
12 | 5b585365 |
13 | 352a7536 |
14 | 204b863b |
15 | 13b0bb5b |
hex | cb897bd |
213424061 has 8 divisors (see below), whose sum is σ = 223426944. Its totient is φ = 203481520.
The previous prime is 213424051. The next prime is 213424067. The reversal of 213424061 is 160424312.
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 213424061 - 26 = 213423997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213424067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7766 + ... + 22071.
It is an arithmetic number, because the mean of its divisors is an integer number (27928368).
Almost surely, 2213424061 is an apocalyptic number.
It is an amenable number.
213424061 is a deficient number, since it is larger than the sum of its proper divisors (10002883).
213424061 is a wasteful number, since it uses less digits than its factorization.
213424061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30171.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 213424061 is about 14609.0403860076. The cubic root of 213424061 is about 597.6053265766.
Adding to 213424061 its reverse (160424312), we get a palindrome (373848373).
The spelling of 213424061 in words is "two hundred thirteen million, four hundred twenty-four thousand, sixty-one".
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