Base | Representation |
---|---|
bin | 11001011010111… |
… | …00010100010010 |
3 | 112212020122222220 |
4 | 30231130110102 |
5 | 414042122213 |
6 | 33054241510 |
7 | 5166334134 |
oct | 1455342422 |
9 | 485218886 |
10 | 213239058 |
11 | aa40572a |
12 | 5b4b6296 |
13 | 35241276 |
14 | 2046b054 |
15 | 13ac1e23 |
hex | cb5c512 |
213239058 has 32 divisors (see below), whose sum is σ = 453418560. Its totient is φ = 66624000.
The previous prime is 213239053. The next prime is 213239093. The reversal of 213239058 is 850932312.
It is not an unprimeable number, because it can be changed into a prime (213239051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21438 + ... + 29766.
It is an arithmetic number, because the mean of its divisors is an integer number (14169330).
Almost surely, 2213239058 is an apocalyptic number.
213239058 is an abundant number, since it is smaller than the sum of its proper divisors (240179502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213239058 is a wasteful number, since it uses less digits than its factorization.
213239058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8602.
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 213239058 is about 14602.7072147599. The cubic root of 213239058 is about 597.4326020043.
It can be divided in two parts, 21323 and 9058, that added together give a triangular number (30381 = T246).
The spelling of 213239058 in words is "two hundred thirteen million, two hundred thirty-nine thousand, fifty-eight".
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