Base | Representation |
---|---|
bin | 11001101000101… |
… | …00111111010100 |
3 | 112222122100222112 |
4 | 30310110333110 |
5 | 420022402202 |
6 | 33201050152 |
7 | 5220562406 |
oct | 1464247724 |
9 | 488570875 |
10 | 215044052 |
11 | 100428863 |
12 | 60026958 |
13 | 35723a02 |
14 | 207bab76 |
15 | 13d2bb52 |
hex | cd14fd4 |
215044052 has 12 divisors (see below), whose sum is σ = 396133920. Its totient is φ = 101862936.
The previous prime is 215044051. The next prime is 215044073. The reversal of 215044052 is 250440512.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215044051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414688 + ... + 1414839.
It is an arithmetic number, because the mean of its divisors is an integer number (33011160).
Almost surely, 2215044052 is an apocalyptic number.
It is an amenable number.
215044052 is a deficient number, since it is larger than the sum of its proper divisors (181089868).
215044052 is a wasteful number, since it uses less digits than its factorization.
215044052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2829550 (or 2829548 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 23.
The square root of 215044052 is about 14664.3803824096. The cubic root of 215044052 is about 599.1135539636.
Adding to 215044052 its reverse (250440512), we get a palindrome (465484564).
The spelling of 215044052 in words is "two hundred fifteen million, forty-four thousand, fifty-two".
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