Base | Representation |
---|---|
bin | 100110001110… |
… | …1101111001110 |
3 | 1101201101020011 |
4 | 1030131233032 |
5 | 20112413000 |
6 | 1553343434 |
7 | 332243335 |
oct | 114355716 |
9 | 41641204 |
10 | 20044750 |
11 | 10350a10 |
12 | 6867b7a |
13 | 41ca8cb |
14 | 293ad1c |
15 | 1b5e2ba |
hex | 131dbce |
20044750 has 64 divisors (see below), whose sum is σ = 42254784. Its totient is φ = 7056000.
The previous prime is 20044747. The next prime is 20044769. The reversal of 20044750 is 5744002.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101652 + ... + 101848.
It is an arithmetic number, because the mean of its divisors is an integer number (660231).
Almost surely, 220044750 is an apocalyptic number.
20044750 is an abundant number, since it is smaller than the sum of its proper divisors (22210034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20044750 is a wasteful number, since it uses less digits than its factorization.
20044750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262 (or 252 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 22.
The square root of 20044750 is about 4477.1363615597. The cubic root of 20044750 is about 271.6440611666.
Adding to 20044750 its reverse (5744002), we get a palindrome (25788752).
The spelling of 20044750 in words is "twenty million, forty-four thousand, seven hundred fifty".
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