Base | Representation |
---|---|
bin | 100110101001… |
… | …0010011001100 |
3 | 1102010022120000 |
4 | 1031102103030 |
5 | 20141310134 |
6 | 2002124300 |
7 | 334131120 |
oct | 115222314 |
9 | 42108500 |
10 | 20260044 |
11 | 10488742 |
12 | 6950690 |
13 | 42748bc |
14 | 2995580 |
15 | 1ba2e99 |
hex | 13524cc |
20260044 has 60 divisors (see below), whose sum is σ = 60536784. Its totient is φ = 5787936.
The previous prime is 20260021. The next prime is 20260091. The reversal of 20260044 is 44006202.
20260044 is a `hidden beast` number, since 20 + 2 + 600 + 44 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20259999 and 20260026.
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 19 ways as a sum of consecutive naturals, for example, 2199 + ... + 6734.
Almost surely, 220260044 is an apocalyptic number.
It is an amenable number.
20260044 is an abundant number, since it is smaller than the sum of its proper divisors (40276740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20260044 is a wasteful number, since it uses less digits than its factorization.
20260044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8956 (or 8945 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 20260044 is about 4501.1158616503. The cubic root of 20260044 is about 272.6131460669.
Adding to 20260044 its reverse (44006202), we get a palindrome (64266246).
The spelling of 20260044 in words is "twenty million, two hundred sixty thousand, forty-four".
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