Base | Representation |
---|---|
bin | 100110011011… |
… | …0100011101010 |
3 | 1101220112200100 |
4 | 1030312203222 |
5 | 20124141120 |
6 | 1555450230 |
7 | 333145614 |
oct | 114664352 |
9 | 41815610 |
10 | 20146410 |
11 | 10410329 |
12 | 68b6976 |
13 | 4234c6b |
14 | 2965db4 |
15 | 1b7e490 |
hex | 13368ea |
20146410 has 24 divisors (see below), whose sum is σ = 52380900. Its totient is φ = 5372352.
The previous prime is 20146393. The next prime is 20146417. The reversal of 20146410 is 1464102.
20146410 is a `hidden beast` number, since 20 + 1 + 4 + 641 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 17313921 + 2832489 = 4161^2 + 1683^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20146417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111835 + ... + 112014.
Almost surely, 220146410 is an apocalyptic number.
20146410 is an abundant number, since it is smaller than the sum of its proper divisors (32234490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20146410 is a wasteful number, since it uses less digits than its factorization.
20146410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223862 (or 223859 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 20146410 is about 4488.4752422176. The cubic root of 20146410 is about 272.1025150632.
The spelling of 20146410 in words is "twenty million, one hundred forty-six thousand, four hundred ten".
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