Base | Representation |
---|---|
bin | 11001011100101… |
… | …11001110010110 |
3 | 112212200220222100 |
4 | 30232113032112 |
5 | 414122332332 |
6 | 33103342530 |
7 | 5201360445 |
oct | 1456271626 |
9 | 485626870 |
10 | 213480342 |
11 | aa55aa39 |
12 | 5b5b1a46 |
13 | 352c703a |
14 | 204d0d5c |
15 | 13b1d67c |
hex | cb97396 |
213480342 has 24 divisors (see below), whose sum is σ = 482652144. Its totient is φ = 68066064.
The previous prime is 213480331. The next prime is 213480347. The reversal of 213480342 is 243084312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213480347) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257413 + ... + 258240.
It is an arithmetic number, because the mean of its divisors is an integer number (20110506).
Almost surely, 2213480342 is an apocalyptic number.
213480342 is an abundant number, since it is smaller than the sum of its proper divisors (269171802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213480342 is a wasteful number, since it uses less digits than its factorization.
213480342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 515684 (or 515681 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
The square root of 213480342 is about 14610.9664978057. The cubic root of 213480342 is about 597.6578524714.
The spelling of 213480342 in words is "two hundred thirteen million, four hundred eighty thousand, three hundred forty-two".
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