Base | Representation |
---|---|
bin | 100111011011… |
… | …1111011011000 |
3 | 1102220110120100 |
4 | 1032313323120 |
5 | 20243120222 |
6 | 2015055400 |
7 | 340513536 |
oct | 116677330 |
9 | 42813510 |
10 | 20676312 |
11 | 10742468 |
12 | 6b11560 |
13 | 438c207 |
14 | 2a63156 |
15 | 1c364ac |
hex | 13b7ed8 |
20676312 has 48 divisors (see below), whose sum is σ = 56305080. Its totient is φ = 6854400.
The previous prime is 20676277. The next prime is 20676329. The reversal of 20676312 is 21367602.
It is a happy number.
20676312 is a `hidden beast` number, since 20 + 6 + 7 + 631 + 2 = 666.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14512 + ... + 15872.
Almost surely, 220676312 is an apocalyptic number.
It is an amenable number.
20676312 is an abundant number, since it is smaller than the sum of its proper divisors (35628768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20676312 is a wasteful number, since it uses less digits than its factorization.
20676312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1584 (or 1577 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 20676312 is about 4547.1212871442. The cubic root of 20676312 is about 274.4675626317.
The spelling of 20676312 in words is "twenty million, six hundred seventy-six thousand, three hundred twelve".
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