Base | Representation |
---|---|
bin | 1000001101111… |
… | …10110011001110 |
3 | 11210201110110202 |
4 | 10012332303032 |
5 | 120122021313 |
6 | 10501333502 |
7 | 1464654134 |
oct | 406766316 |
9 | 153643422 |
10 | 68938958 |
11 | 35a06950 |
12 | 1b107292 |
13 | 113898aa |
14 | 9227754 |
15 | 60bb558 |
hex | 41becce |
68938958 has 32 divisors (see below), whose sum is σ = 120621312. Its totient is φ = 29233600.
The previous prime is 68938951. The next prime is 68939077. The reversal of 68938958 is 85983986.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68938951) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19085 + ... + 22407.
It is an arithmetic number, because the mean of its divisors is an integer number (3769416).
Almost surely, 268938958 is an apocalyptic number.
68938958 is a deficient number, since it is larger than the sum of its proper divisors (51682354).
68938958 is a wasteful number, since it uses less digits than its factorization.
68938958 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3400.
The product of its digits is 3732480, while the sum is 56.
The square root of 68938958 is about 8302.9487533045. The cubic root of 68938958 is about 410.0356066637.
It can be divided in two parts, 68938 and 958, that added together give a palindrome (69896).
The spelling of 68938958 in words is "sixty-eight million, nine hundred thirty-eight thousand, nine hundred fifty-eight".
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