Base | Representation |
---|---|
bin | 11111111101111… |
… | …00100110100101 |
3 | 200200120220112112 |
4 | 33332330212211 |
5 | 1022122100042 |
6 | 42335330405 |
7 | 6434213552 |
oct | 1776744645 |
9 | 620526475 |
10 | 268159397 |
11 | 128407140 |
12 | 75980a05 |
13 | 437300cc |
14 | 27885a29 |
15 | 1881e982 |
hex | ffbc9a5 |
268159397 has 8 divisors (see below), whose sum is σ = 292656672. Its totient is φ = 243682000.
The previous prime is 268159373. The next prime is 268159421. The reversal of 268159397 is 793951862.
It is an interprime number because it is at equal distance from previous prime (268159373) and next prime (268159421).
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 268159397 - 214 = 268143013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268153397) by changing a digit.
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, 46223 + ... + 51699.
It is an arithmetic number, because the mean of its divisors is an integer number (36582084).
Almost surely, 2268159397 is an apocalyptic number.
It is an amenable number.
268159397 is a deficient number, since it is larger than the sum of its proper divisors (24497275).
268159397 is a wasteful number, since it uses less digits than its factorization.
268159397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9939.
The product of its digits is 816480, while the sum is 50.
The square root of 268159397 is about 16375.5731808081. The cubic root of 268159397 is about 644.8583684376.
The spelling of 268159397 in words is "two hundred sixty-eight million, one hundred fifty-nine thousand, three hundred ninety-seven".
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