Base | Representation |
---|---|
bin | 11101001111111… |
… | …11111110001101 |
3 | 122002200220210102 |
4 | 32213333332031 |
5 | 1000303213134 |
6 | 40203020445 |
7 | 6036403502 |
oct | 1647777615 |
9 | 562626712 |
10 | 245366669 |
11 | 116559679 |
12 | 6a20a725 |
13 | 3baac7a2 |
14 | 248314a9 |
15 | 1681b37e |
hex | e9fff8d |
245366669 has 4 divisors (see below), whose sum is σ = 245401344. Its totient is φ = 245331996.
The previous prime is 245366633. The next prime is 245366689. The reversal of 245366669 is 966663542.
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 245366669 - 224 = 228589453 is a prime.
It is a super-2 number, since 2×2453666692 = 120409604512311122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245366629) 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, 2477 + ... + 22290.
It is an arithmetic number, because the mean of its divisors is an integer number (61350336).
Almost surely, 2245366669 is an apocalyptic number.
It is an amenable number.
245366669 is a deficient number, since it is larger than the sum of its proper divisors (34675).
245366669 is an equidigital number, since it uses as much as digits as its factorization.
245366669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34674.
The product of its digits is 1399680, while the sum is 47.
The square root of 245366669 is about 15664.1842749631. The cubic root of 245366669 is about 626.0444777470.
The spelling of 245366669 in words is "two hundred forty-five million, three hundred sixty-six thousand, six hundred sixty-nine".
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