Base | Representation |
---|---|
bin | 100110010001… |
… | …1000010100100 |
3 | 1101202111000112 |
4 | 1030203002210 |
5 | 20114111333 |
6 | 1554032152 |
7 | 332363552 |
oct | 114430244 |
9 | 41674015 |
10 | 20066468 |
11 | 10366264 |
12 | 6878658 |
13 | 4207766 |
14 | 2944bd2 |
15 | 1b65948 |
hex | 13230a4 |
20066468 has 12 divisors (see below), whose sum is σ = 35161392. Its totient is φ = 10020360.
The previous prime is 20066467. The next prime is 20066471. The reversal of 20066468 is 86466002.
It is a happy number.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (20066461) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863 + ... + 6393.
It is an arithmetic number, because the mean of its divisors is an integer number (2930116).
Almost surely, 220066468 is an apocalyptic number.
It is an amenable number.
20066468 is a deficient number, since it is larger than the sum of its proper divisors (15094924).
20066468 is a wasteful number, since it uses less digits than its factorization.
20066468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6442 (or 6440 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 32.
The square root of 20066468 is about 4479.5611392189. The cubic root of 20066468 is about 271.7421323378.
The spelling of 20066468 in words is "twenty million, sixty-six thousand, four hundred sixty-eight".
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