Base | Representation |
---|---|
bin | 1000001010110… |
… | …01010101101001 |
3 | 11202221100101120 |
4 | 10011121111221 |
5 | 120020221434 |
6 | 10444405453 |
7 | 1461303405 |
oct | 405312551 |
9 | 152840346 |
10 | 68523369 |
11 | 35752692 |
12 | 1ab46889 |
13 | 11272695 |
14 | 915a105 |
15 | 6038349 |
hex | 4159569 |
68523369 has 8 divisors (see below), whose sum is σ = 91439040. Its totient is φ = 45644976.
The previous prime is 68523359. The next prime is 68523373. The reversal of 68523369 is 96332586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68523369 - 25 = 68523337 is a prime.
It is a super-2 number, since 2×685233692 = 9390904198220322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 68523369.
It is not an unprimeable number, because it can be changed into a prime (68523319) 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, 4702 + ... + 12615.
It is an arithmetic number, because the mean of its divisors is an integer number (11429880).
Almost surely, 268523369 is an apocalyptic number.
It is an amenable number.
68523369 is a deficient number, since it is larger than the sum of its proper divisors (22915671).
68523369 is a wasteful number, since it uses less digits than its factorization.
68523369 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18639.
The product of its digits is 233280, while the sum is 42.
The square root of 68523369 is about 8277.8843311561. The cubic root of 68523369 is about 409.2099977109.
The spelling of 68523369 in words is "sixty-eight million, five hundred twenty-three thousand, three hundred sixty-nine".
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