Base | Representation |
---|---|
bin | 11101100110110… |
… | …11110100000001 |
3 | 122022100012202101 |
4 | 32303123310001 |
5 | 1002040124124 |
6 | 40351150401 |
7 | 6104030065 |
oct | 1663336401 |
9 | 568305671 |
10 | 248364289 |
11 | 118216848 |
12 | 6b215401 |
13 | 3c5bc024 |
14 | 24db1aa5 |
15 | 16c0e644 |
hex | ecdbd01 |
248364289 has 4 divisors (see below), whose sum is σ = 249163200. Its totient is φ = 247565380.
The previous prime is 248364287. The next prime is 248364293. The reversal of 248364289 is 982463842.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 248364289 - 21 = 248364287 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (248364287) 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, 398989 + ... + 399610.
It is an arithmetic number, because the mean of its divisors is an integer number (62290800).
Almost surely, 2248364289 is an apocalyptic number.
It is an amenable number.
248364289 is a deficient number, since it is larger than the sum of its proper divisors (798911).
248364289 is an equidigital number, since it uses as much as digits as its factorization.
248364289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 798910.
The product of its digits is 663552, while the sum is 46.
The square root of 248364289 is about 15759.5776910424. The cubic root of 248364289 is about 628.5836064322.
The spelling of 248364289 in words is "two hundred forty-eight million, three hundred sixty-four thousand, two hundred eighty-nine".
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