Base | Representation |
---|---|
bin | 11001011101011… |
… | …11100101100110 |
3 | 112212212222212100 |
4 | 30232233211212 |
5 | 414134031014 |
6 | 33105432530 |
7 | 5202254415 |
oct | 1456574546 |
9 | 485788770 |
10 | 213580134 |
11 | aa618a09 |
12 | 5b63b746 |
13 | 353305a1 |
14 | 2051947c |
15 | 13b3d009 |
hex | cbaf966 |
213580134 has 24 divisors (see below), whose sum is σ = 468617760. Its totient is φ = 70291728.
The previous prime is 213580127. The next prime is 213580151. The reversal of 213580134 is 431085312.
It is a happy number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 213580098 and 213580107.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 73677 + ... + 76520.
It is an arithmetic number, because the mean of its divisors is an integer number (19525740).
Almost surely, 2213580134 is an apocalyptic number.
213580134 is an abundant number, since it is smaller than the sum of its proper divisors (255037626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213580134 is a wasteful number, since it uses less digits than its factorization.
213580134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150284 (or 150281 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 213580134 is about 14614.3810679755. The cubic root of 213580134 is about 597.7509635921.
The spelling of 213580134 in words is "two hundred thirteen million, five hundred eighty thousand, one hundred thirty-four".
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