Base | Representation |
---|---|
bin | 11001011100101… |
… | …01011111001110 |
3 | 112212200120012221 |
4 | 30232111133032 |
5 | 414122120410 |
6 | 33103245554 |
7 | 5201330635 |
oct | 1456253716 |
9 | 485616187 |
10 | 213473230 |
11 | aa555663 |
12 | 5b5a98ba |
13 | 352c3a29 |
14 | 204cc51c |
15 | 13b1b4da |
hex | cb957ce |
213473230 has 32 divisors (see below), whose sum is σ = 390646080. Its totient is φ = 83980800.
The previous prime is 213473219. The next prime is 213473231. The reversal of 213473230 is 32374312.
It is a junction number, because it is equal to n+sod(n) for n = 213473195 and 213473204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213473231) 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 15 ways as a sum of consecutive naturals, for example, 163942 + ... + 165238.
It is an arithmetic number, because the mean of its divisors is an integer number (12207690).
Almost surely, 2213473230 is an apocalyptic number.
213473230 is a deficient number, since it is larger than the sum of its proper divisors (177172850).
213473230 is a wasteful number, since it uses less digits than its factorization.
213473230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1564.
The product of its (nonzero) digits is 3024, while the sum is 25.
The square root of 213473230 is about 14610.7231169439. The cubic root of 213473230 is about 597.6512154983.
The spelling of 213473230 in words is "two hundred thirteen million, four hundred seventy-three thousand, two hundred thirty".
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