Base | Representation |
---|---|
bin | 11001011001001… |
… | …11101101111000 |
3 | 112211211201110021 |
4 | 30230213231320 |
5 | 414013223413 |
6 | 33045500224 |
7 | 5164446040 |
oct | 1454475570 |
9 | 484751407 |
10 | 213023608 |
11 | aa278876 |
12 | 5b411674 |
13 | 35197195 |
14 | 20412720 |
15 | 13a7d18d |
hex | cb27b78 |
213023608 has 32 divisors (see below), whose sum is σ = 476328960. Its totient is φ = 87325920.
The previous prime is 213023597. The next prime is 213023609. The reversal of 213023608 is 806320312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213023609) 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, 81408 + ... + 83983.
It is an arithmetic number, because the mean of its divisors is an integer number (14885280).
Almost surely, 2213023608 is an apocalyptic number.
213023608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
213023608 is an abundant number, since it is smaller than the sum of its proper divisors (263305352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213023608 is a wasteful number, since it uses less digits than its factorization.
213023608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165427 (or 165423 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 213023608 is about 14595.3282936699. The cubic root of 213023608 is about 597.2313251992.
The spelling of 213023608 in words is "two hundred thirteen million, twenty-three thousand, six hundred eight".
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