Base | Representation |
---|---|
bin | 10001001011101… |
… | …000111101111101 |
3 | 202002102022221201 |
4 | 101023220331331 |
5 | 1042243422221 |
6 | 44334255501 |
7 | 10100130001 |
oct | 2113507575 |
9 | 662368851 |
10 | 288264061 |
11 | 138799068 |
12 | 80657591 |
13 | 4794c067 |
14 | 2a3da701 |
15 | 1a491891 |
hex | 112e8f7d |
288264061 has 4 divisors (see below), whose sum is σ = 288298300. Its totient is φ = 288229824.
The previous prime is 288264013. The next prime is 288264073. The reversal of 288264061 is 160462882.
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 2 ways, for example, as 144144036 + 144120025 = 12006^2 + 12005^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-288264061 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 288264061.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (288264001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5275 + ... + 24583.
It is an arithmetic number, because the mean of its divisors is an integer number (72074575).
Almost surely, 2288264061 is an apocalyptic number.
288264061 is the 12006-th centered square number.
It is an amenable number.
288264061 is a deficient number, since it is larger than the sum of its proper divisors (34239).
288264061 is a wasteful number, since it uses less digits than its factorization.
288264061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34238.
The product of its (nonzero) digits is 36864, while the sum is 37.
The square root of 288264061 is about 16978.3409377948. The cubic root of 288264061 is about 660.5872191929.
The spelling of 288264061 in words is "two hundred eighty-eight million, two hundred sixty-four thousand, sixty-one".
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