Base | Representation |
---|---|
bin | 1000001100100… |
… | …00011001001001 |
3 | 11210100210201120 |
4 | 10012100121021 |
5 | 120044430443 |
6 | 10453305453 |
7 | 1463233014 |
oct | 406203111 |
9 | 153323646 |
10 | 68748873 |
11 | 35897056 |
12 | 1b035289 |
13 | 1132120b |
14 | 91b837b |
15 | 6080083 |
hex | 4190649 |
68748873 has 16 divisors (see below), whose sum is σ = 94068480. Its totient is φ = 44637264.
The previous prime is 68748871. The next prime is 68748877. The reversal of 68748873 is 37884786.
It is not a de Polignac number, because 68748873 - 21 = 68748871 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68748871) 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, 66958 + ... + 67976.
It is an arithmetic number, because the mean of its divisors is an integer number (5879280).
Almost surely, 268748873 is an apocalyptic number.
It is an amenable number.
68748873 is a deficient number, since it is larger than the sum of its proper divisors (25319607).
68748873 is a wasteful number, since it uses less digits than its factorization.
68748873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1588.
The product of its digits is 1806336, while the sum is 51.
The square root of 68748873 is about 8291.4940149529. The cubic root of 68748873 is about 409.6583968031.
The spelling of 68748873 in words is "sixty-eight million, seven hundred forty-eight thousand, eight hundred seventy-three".
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