Base | Representation |
---|---|
bin | 11101010011000… |
… | …01111101101111 |
3 | 122010110022101021 |
4 | 32221201331233 |
5 | 1000404034142 |
6 | 40215355011 |
7 | 6042664630 |
oct | 1651417557 |
9 | 563408337 |
10 | 245768047 |
11 | 116803198 |
12 | 6a382a67 |
13 | 3bbc03a5 |
14 | 248d7887 |
15 | 1689a267 |
hex | ea61f6f |
245768047 has 8 divisors (see below), whose sum is σ = 283659552. Its totient is φ = 208572000.
The previous prime is 245768009. The next prime is 245768051. The reversal of 245768047 is 740867542.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 245768047 - 211 = 245765999 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 245767994 and 245768012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245768057) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173104 + ... + 174517.
It is an arithmetic number, because the mean of its divisors is an integer number (35457444).
Almost surely, 2245768047 is an apocalyptic number.
245768047 is a deficient number, since it is larger than the sum of its proper divisors (37891505).
245768047 is a wasteful number, since it uses less digits than its factorization.
245768047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347729.
The product of its (nonzero) digits is 376320, while the sum is 43.
The square root of 245768047 is about 15676.9910059297. The cubic root of 245768047 is about 626.3856590879.
It can be divided in two parts, 24576 and 8047, that added together give a palindrome (32623).
The spelling of 245768047 in words is "two hundred forty-five million, seven hundred sixty-eight thousand, forty-seven".
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