Base | Representation |
---|---|
bin | 10000111000011… |
… | …000010110001001 |
3 | 201201220211021101 |
4 | 100320120112021 |
5 | 1040000341431 |
6 | 44034141401 |
7 | 10006201261 |
oct | 2070302611 |
9 | 651824241 |
10 | 283215241 |
11 | 13595a891 |
12 | 7aa21861 |
13 | 468a1caa |
14 | 298847a1 |
15 | 19ce5961 |
hex | 10e18589 |
283215241 has 3 divisors (see below), whose sum is σ = 283232071. Its totient is φ = 283198412.
The previous prime is 283215227. The next prime is 283215259. The reversal of 283215241 is 142512382.
The square root of 283215241 is 16829.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 5659641 + 277555600 = 2379^2 + 16660^2 .
It is not a de Polignac number, because 283215241 - 211 = 283213193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (283215221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8415 + ... + 25243.
Almost surely, 2283215241 is an apocalyptic number.
283215241 is the 16829-th square number.
283215241 is the 8415-th centered octagonal number.
It is an amenable number.
283215241 is a deficient number, since it is larger than the sum of its proper divisors (16830).
283215241 is an frugal number, since it uses more digits than its factorization.
283215241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33658 (or 16829 counting only the distinct ones).
The product of its digits is 3840, while the sum is 28.
The cubic root of 283215241 is about 656.7078488893.
It can be divided in two parts, 283 and 215241, that multiplied together give a triangular number (60913203 = T11037).
The spelling of 283215241 in words is "two hundred eighty-three million, two hundred fifteen thousand, two hundred forty-one".
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