Base | Representation |
---|---|
bin | 100110001110… |
… | …1100100011000 |
3 | 1101201100021110 |
4 | 1030131210120 |
5 | 20112402211 |
6 | 1553340320 |
7 | 332241324 |
oct | 114354430 |
9 | 41640243 |
10 | 20044056 |
11 | 1035043a |
12 | 68676a0 |
13 | 41ca4b6 |
14 | 293a984 |
15 | 1b5dea6 |
hex | 131d918 |
20044056 has 32 divisors (see below), whose sum is σ = 50612400. Its totient is φ = 6614400.
The previous prime is 20044027. The next prime is 20044061. The reversal of 20044056 is 65044002.
It is a happy number.
It is a super-2 number, since 2×200440562 = 803528361862272, which contains 22 as substring.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 1711 + ... + 6558.
Almost surely, 220044056 is an apocalyptic number.
It is an amenable number.
20044056 is an abundant number, since it is smaller than the sum of its proper divisors (30568344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20044056 is a wasteful number, since it uses less digits than its factorization.
20044056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8379 (or 8375 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 20044056 is about 4477.0588559902. The cubic root of 20044056 is about 271.6409261287.
Adding to 20044056 its reverse (65044002), we get a palindrome (85088058).
The spelling of 20044056 in words is "twenty million, forty-four thousand, fifty-six".
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