Base | Representation |
---|---|
bin | 11101001110011… |
… | …10101111110101 |
3 | 122002022200012212 |
4 | 32213032233311 |
5 | 1000230240140 |
6 | 40154423205 |
7 | 6034603616 |
oct | 1647165765 |
9 | 562280185 |
10 | 245165045 |
11 | 116431144 |
12 | 6a131b05 |
13 | 3ba3ba98 |
14 | 247bbc0d |
15 | 167cb765 |
hex | e9cebf5 |
245165045 has 8 divisors (see below), whose sum is σ = 297922560. Its totient is φ = 193649040.
The previous prime is 245165021. The next prime is 245165057. The reversal of 245165045 is 540561542.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 245165045 - 214 = 245148661 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309941 + ... + 310730.
It is an arithmetic number, because the mean of its divisors is an integer number (37240320).
Almost surely, 2245165045 is an apocalyptic number.
It is an amenable number.
245165045 is a deficient number, since it is larger than the sum of its proper divisors (52757515).
245165045 is an equidigital number, since it uses as much as digits as its factorization.
245165045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 620755.
The product of its (nonzero) digits is 24000, while the sum is 32.
The square root of 245165045 is about 15657.7471240278. The cubic root of 245165045 is about 625.8729518937.
The spelling of 245165045 in words is "two hundred forty-five million, one hundred sixty-five thousand, forty-five".
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