Base | Representation |
---|---|
bin | 100110001011… |
… | …1000101001010 |
3 | 1101122222211020 |
4 | 1030113011022 |
5 | 20111024412 |
6 | 1553013310 |
7 | 332101002 |
oct | 114270512 |
9 | 41588736 |
10 | 20017482 |
11 | 10332481 |
12 | 6854236 |
13 | 41bb384 |
14 | 2931002 |
15 | 1b5618c |
hex | 131714a |
20017482 has 24 divisors (see below), whose sum is σ = 41473536. Its totient is φ = 6440784.
The previous prime is 20017477. The next prime is 20017499. The reversal of 20017482 is 28471002.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 3063 + ... + 7029.
It is an arithmetic number, because the mean of its divisors is an integer number (1728064).
Almost surely, 220017482 is an apocalyptic number.
20017482 is an abundant number, since it is smaller than the sum of its proper divisors (21456054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20017482 is a wasteful number, since it uses less digits than its factorization.
20017482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4030 (or 4001 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 20017482 is about 4474.0900750879. The cubic root of 20017482 is about 271.5208277080.
Adding to 20017482 its reverse (28471002), we get a palindrome (48488484).
The spelling of 20017482 in words is "twenty million, seventeen thousand, four hundred eighty-two".
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