Base | Representation |
---|---|
bin | 1000001101100… |
… | …00001101101010 |
3 | 11210121102111212 |
4 | 10012300031222 |
5 | 120113113320 |
6 | 10500153122 |
7 | 1464315011 |
oct | 406601552 |
9 | 153542455 |
10 | 68879210 |
11 | 35975a74 |
12 | 1b0987a2 |
13 | 1136863a |
14 | 920da78 |
15 | 60a89c5 |
hex | 41b036a |
68879210 has 32 divisors (see below), whose sum is σ = 129572352. Its totient is φ = 26331840.
The previous prime is 68879203. The next prime is 68879219. The reversal of 68879210 is 1297886.
It is not an unprimeable number, because it can be changed into a prime (68879219) 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 15 ways as a sum of consecutive naturals, for example, 24392 + ... + 27068.
It is an arithmetic number, because the mean of its divisors is an integer number (4049136).
Almost surely, 268879210 is an apocalyptic number.
68879210 is a deficient number, since it is larger than the sum of its proper divisors (60693142).
68879210 is a wasteful number, since it uses less digits than its factorization.
68879210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2798.
The product of its (nonzero) digits is 48384, while the sum is 41.
The square root of 68879210 is about 8299.3499745462. The cubic root of 68879210 is about 409.9171159047.
The spelling of 68879210 in words is "sixty-eight million, eight hundred seventy-nine thousand, two hundred ten".
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