Base | Representation |
---|---|
bin | 100111000010… |
… | …1101000110100 |
3 | 1102112000000011 |
4 | 1032011220310 |
5 | 20220022244 |
6 | 2010430004 |
7 | 335665150 |
oct | 116055064 |
9 | 42460004 |
10 | 20470324 |
11 | 10611726 |
12 | 6a32304 |
13 | 4319524 |
14 | 2a0c060 |
15 | 1be5434 |
hex | 1385a34 |
20470324 has 24 divisors (see below), whose sum is σ = 42049280. Its totient is φ = 8535456.
The previous prime is 20470321. The next prime is 20470337. The reversal of 20470324 is 42307402.
It is a junction number, because it is equal to n+sod(n) for n = 20470295 and 20470304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20470321) 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 7 ways as a sum of consecutive naturals, for example, 8844 + ... + 10915.
Almost surely, 220470324 is an apocalyptic number.
It is an amenable number.
20470324 is an abundant number, since it is smaller than the sum of its proper divisors (21578956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20470324 is a wasteful number, since it uses less digits than its factorization.
20470324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19807 (or 19805 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 22.
The square root of 20470324 is about 4524.4142162273. The cubic root of 20470324 is about 273.5530568493.
Adding to 20470324 its reverse (42307402), we get a palindrome (62777726).
The spelling of 20470324 in words is "twenty million, four hundred seventy thousand, three hundred twenty-four".
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