Base | Representation |
---|---|
bin | 11001011101110… |
… | …10110001111111 |
3 | 112212222022202110 |
4 | 30232322301333 |
5 | 414142012413 |
6 | 33110425103 |
7 | 5202535164 |
oct | 1456726177 |
9 | 485868673 |
10 | 213625983 |
11 | aa64a3aa |
12 | 5b662193 |
13 | 3534840c |
14 | 2052c06b |
15 | 13b4b8c3 |
hex | cbbac7f |
213625983 has 8 divisors (see below), whose sum is σ = 285734448. Its totient is φ = 141967424.
The previous prime is 213625969. The next prime is 213625999. The reversal of 213625983 is 389526312.
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 213625983 - 29 = 213625471 is a prime.
It is a super-2 number, since 2×2136259832 = 91272121225432578, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213625183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111366 + ... + 113267.
It is an arithmetic number, because the mean of its divisors is an integer number (35716806).
Almost surely, 2213625983 is an apocalyptic number.
213625983 is a deficient number, since it is larger than the sum of its proper divisors (72108465).
213625983 is a wasteful number, since it uses less digits than its factorization.
213625983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224953.
The product of its digits is 77760, while the sum is 39.
The square root of 213625983 is about 14615.9496099296. The cubic root of 213625983 is about 597.7937333674.
The spelling of 213625983 in words is "two hundred thirteen million, six hundred twenty-five thousand, nine hundred eighty-three".
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