Base | Representation |
---|---|
bin | 1111001101010… |
… | …1110010101001 |
3 | 11110000212202211 |
4 | 3303111302221 |
5 | 112312241444 |
6 | 10155125121 |
7 | 1403131255 |
oct | 363256251 |
9 | 143025684 |
10 | 63790249 |
11 | 3300a616 |
12 | 194437a1 |
13 | 102a6213 |
14 | 8687265 |
15 | 5900c34 |
hex | 3cd5ca9 |
63790249 has 4 divisors (see below), whose sum is σ = 63834580. Its totient is φ = 63745920.
The previous prime is 63790241. The next prime is 63790253. The reversal of 63790249 is 94209736.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 36385024 + 27405225 = 6032^2 + 5235^2 .
It is a cyclic number.
It is not a de Polignac number, because 63790249 - 23 = 63790241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (63790241) 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, 19932 + ... + 22909.
It is an arithmetic number, because the mean of its divisors is an integer number (15958645).
Almost surely, 263790249 is an apocalyptic number.
It is an amenable number.
63790249 is a deficient number, since it is larger than the sum of its proper divisors (44331).
63790249 is a wasteful number, since it uses less digits than its factorization.
63790249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44330.
The product of its (nonzero) digits is 81648, while the sum is 40.
The square root of 63790249 is about 7986.8798037782. The cubic root of 63790249 is about 399.5625404974.
The spelling of 63790249 in words is "sixty-three million, seven hundred ninety thousand, two hundred forty-nine".
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