Base | Representation |
---|---|
bin | 11001000011010… |
… | …00101100110110 |
3 | 112122102102110010 |
4 | 30201220230312 |
5 | 412244102204 |
6 | 32504041050 |
7 | 5131123611 |
oct | 1441505466 |
9 | 478372403 |
10 | 210144054 |
11 | a869137a |
12 | 5a463186 |
13 | 346c95c3 |
14 | 1dca3178 |
15 | 136aed89 |
hex | c868b36 |
210144054 has 32 divisors (see below), whose sum is σ = 439303680. Its totient is φ = 66889152.
The previous prime is 210144023. The next prime is 210144079. The reversal of 210144054 is 450441012.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 210144054.
It is a congruent number.
It is an unprimeable number.
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, 125994 + ... + 127650.
It is an arithmetic number, because the mean of its divisors is an integer number (13728240).
Almost surely, 2210144054 is an apocalyptic number.
210144054 is an abundant number, since it is smaller than the sum of its proper divisors (229159626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210144054 is a wasteful number, since it uses less digits than its factorization.
210144054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2604.
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 210144054 is about 14496.3462293090. The cubic root of 210144054 is about 594.5280762320.
Adding to 210144054 its reverse (450441012), we get a palindrome (660585066).
The spelling of 210144054 in words is "two hundred ten million, one hundred forty-four thousand, fifty-four".
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