Base | Representation |
---|---|
bin | 1000001010110… |
… | …11010010110000 |
3 | 11202221202101010 |
4 | 10011123102300 |
5 | 120021001001 |
6 | 10444510520 |
7 | 1461335634 |
oct | 405332260 |
9 | 152852333 |
10 | 68531376 |
11 | 35758701 |
12 | 1ab4b440 |
13 | 11276214 |
14 | 915cdc4 |
15 | 603a8d6 |
hex | 415b4b0 |
68531376 has 20 divisors (see below), whose sum is σ = 177039512. Its totient is φ = 22843776.
The previous prime is 68531371. The next prime is 68531383. The reversal of 68531376 is 67313586.
It is not an unprimeable number, because it can be changed into a prime (68531371) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713821 + ... + 713916.
Almost surely, 268531376 is an apocalyptic number.
It is an amenable number.
68531376 is an abundant number, since it is smaller than the sum of its proper divisors (108508136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68531376 is a wasteful number, since it uses less digits than its factorization.
68531376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1427748 (or 1427742 counting only the distinct ones).
The product of its digits is 90720, while the sum is 39.
The square root of 68531376 is about 8278.3679550984. The cubic root of 68531376 is about 409.2259359078.
The spelling of 68531376 in words is "sixty-eight million, five hundred thirty-one thousand, three hundred seventy-six".
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