Base | Representation |
---|---|
bin | 100111010101… |
… | …1001011010010 |
3 | 1102210210220220 |
4 | 1032223023102 |
5 | 20234432312 |
6 | 2014013510 |
7 | 340205343 |
oct | 116531322 |
9 | 42723826 |
10 | 20624082 |
11 | 107071a6 |
12 | 6aa7296 |
13 | 43714cb |
14 | 2a4c0ca |
15 | 1c25c8c |
hex | 13ab2d2 |
20624082 has 32 divisors (see below), whose sum is σ = 43830720. Its totient is φ = 6451200.
The previous prime is 20624069. The next prime is 20624113. The reversal of 20624082 is 28042602.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 12082 + ... + 13682.
It is an arithmetic number, because the mean of its divisors is an integer number (1369710).
Almost surely, 220624082 is an apocalyptic number.
20624082 is an abundant number, since it is smaller than the sum of its proper divisors (23206638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20624082 is a wasteful number, since it uses less digits than its factorization.
20624082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1738.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 20624082 is about 4541.3744615480. The cubic root of 20624082 is about 274.2362588320.
Adding to 20624082 its reverse (28042602), we get a palindrome (48666684).
The spelling of 20624082 in words is "twenty million, six hundred twenty-four thousand, eighty-two".
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