Base | Representation |
---|---|
bin | 11001000011111… |
… | …10000000101111 |
3 | 112122120212012001 |
4 | 30201332000233 |
5 | 412304400333 |
6 | 32505553131 |
7 | 5131636240 |
oct | 1441760057 |
9 | 478525161 |
10 | 210231343 |
11 | a8740a13 |
12 | 5a4a57a7 |
13 | 3472a25a |
14 | 1dcc6cc7 |
15 | 136cab7d |
hex | c87e02f |
210231343 has 16 divisors (see below), whose sum is σ = 248275456. Its totient is φ = 174273120.
The previous prime is 210231341. The next prime is 210231347. The reversal of 210231343 is 343132012.
210231343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 210231343 - 21 = 210231341 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 210231343.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210231341) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27613 + ... + 34393.
It is an arithmetic number, because the mean of its divisors is an integer number (15517216).
Almost surely, 2210231343 is an apocalyptic number.
210231343 is a deficient number, since it is larger than the sum of its proper divisors (38044113).
210231343 is a wasteful number, since it uses less digits than its factorization.
210231343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6934.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 210231343 is about 14499.3566408996. The cubic root of 210231343 is about 594.6103825936.
Adding to 210231343 its reverse (343132012), we get a palindrome (553363355).
It can be divided in two parts, 21023 and 1343, that added together give a triangular number (22366 = T211).
The spelling of 210231343 in words is "two hundred ten million, two hundred thirty-one thousand, three hundred forty-three".
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