Base | Representation |
---|---|
bin | 1000000111011… |
… | …11011110001111 |
3 | 11202010022120100 |
4 | 10003233132033 |
5 | 114412332433 |
6 | 10431222143 |
7 | 1454516241 |
oct | 403573617 |
9 | 152108510 |
10 | 68089743 |
11 | 35486917 |
12 | 1a977953 |
13 | 111501b7 |
14 | 9086091 |
15 | 5e9eb13 |
hex | 40ef78f |
68089743 has 12 divisors (see below), whose sum is σ = 104137488. Its totient is φ = 42722880.
The previous prime is 68089691. The next prime is 68089751. The reversal of 68089743 is 34798086.
It is a happy number.
It is not a de Polignac number, because 68089743 - 220 = 67041167 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68089753) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222363 + ... + 222668.
It is an arithmetic number, because the mean of its divisors is an integer number (8678124).
Almost surely, 268089743 is an apocalyptic number.
68089743 is a deficient number, since it is larger than the sum of its proper divisors (36047745).
68089743 is a wasteful number, since it uses less digits than its factorization.
68089743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 445054 (or 445051 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 68089743 is about 8251.6509257239. The cubic root of 68089743 is about 408.3449900694.
The spelling of 68089743 in words is "sixty-eight million, eighty-nine thousand, seven hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •