Base | Representation |
---|---|
bin | 11101010000000… |
… | …00111000010101 |
3 | 122002201002220012 |
4 | 32220000320111 |
5 | 1000303323024 |
6 | 40203050005 |
7 | 6036420365 |
oct | 1650007025 |
9 | 562632805 |
10 | 245370389 |
11 | 116561450 |
12 | 6a210905 |
13 | 3bab13a4 |
14 | 248329a5 |
15 | 1681c50e |
hex | ea00e15 |
245370389 has 8 divisors (see below), whose sum is σ = 281765280. Its totient is φ = 211323600.
The previous prime is 245370379. The next prime is 245370431. The reversal of 245370389 is 983073542.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 245370389 - 24 = 245370373 is a prime.
It is a super-2 number, since 2×2453703892 = 120413255596022642, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245370379) 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 7 ways as a sum of consecutive naturals, for example, 586802 + ... + 587219.
It is an arithmetic number, because the mean of its divisors is an integer number (35220660).
Almost surely, 2245370389 is an apocalyptic number.
It is an amenable number.
245370389 is a deficient number, since it is larger than the sum of its proper divisors (36394891).
245370389 is a wasteful number, since it uses less digits than its factorization.
245370389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1174051.
The product of its (nonzero) digits is 181440, while the sum is 41.
The square root of 245370389 is about 15664.3030167320. The cubic root of 245370389 is about 626.0476415476.
The spelling of 245370389 in words is "two hundred forty-five million, three hundred seventy thousand, three hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •