Base | Representation |
---|---|
bin | 11111111111101… |
… | …00011101101111 |
3 | 200201000112101222 |
4 | 33333310131233 |
5 | 1022201410312 |
6 | 42344253555 |
7 | 6436155623 |
oct | 1777643557 |
9 | 621015358 |
10 | 268388207 |
11 | 12855303a |
12 | 75a712bb |
13 | 437b02b9 |
14 | 27905183 |
15 | 18867672 |
hex | fff476f |
268388207 has 8 divisors (see below), whose sum is σ = 271534032. Its totient is φ = 265254400.
The previous prime is 268388149. The next prime is 268388251. The reversal of 268388207 is 702883862.
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 268388207 - 26 = 268388143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268388257) 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, 46607 + ... + 52047.
It is an arithmetic number, because the mean of its divisors is an integer number (33941754).
Almost surely, 2268388207 is an apocalyptic number.
268388207 is a deficient number, since it is larger than the sum of its proper divisors (3145825).
268388207 is a wasteful number, since it uses less digits than its factorization.
268388207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6009.
The product of its (nonzero) digits is 258048, while the sum is 44.
The square root of 268388207 is about 16382.5580114950. The cubic root of 268388207 is about 645.0417271645.
The spelling of 268388207 in words is "two hundred sixty-eight million, three hundred eighty-eight thousand, two hundred seven".
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