Base | Representation |
---|---|
bin | 11001000101011… |
… | …10100010111110 |
3 | 112122221221212222 |
4 | 30202232202332 |
5 | 412332231032 |
6 | 32514125342 |
7 | 5133424646 |
oct | 1442564276 |
9 | 478857788 |
10 | 210430142 |
11 | a886730a |
12 | 5a580852 |
13 | 347998a0 |
14 | 1dd39526 |
15 | 13719a12 |
hex | c8ae8be |
210430142 has 16 divisors (see below), whose sum is σ = 340301472. Its totient is φ = 97014240.
The previous prime is 210430141. The next prime is 210430153. The reversal of 210430142 is 241034012.
It is a self number, because there is not a number n which added to its sum of digits gives 210430142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210430141) 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, 22583 + ... + 30509.
It is an arithmetic number, because the mean of its divisors is an integer number (21268842).
Almost surely, 2210430142 is an apocalyptic number.
210430142 is a deficient number, since it is larger than the sum of its proper divisors (129871330).
210430142 is a wasteful number, since it uses less digits than its factorization.
210430142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8963.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 210430142 is about 14506.2104631086. The cubic root of 210430142 is about 594.7977487389.
Adding to 210430142 its reverse (241034012), we get a palindrome (451464154).
The spelling of 210430142 in words is "two hundred ten million, four hundred thirty thousand, one hundred forty-two".
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