Search a number
-
+
20260044 = 223478933
BaseRepresentation
bin100110101001…
…0010011001100
31102010022120000
41031102103030
520141310134
62002124300
7334131120
oct115222314
942108500
1020260044
1110488742
126950690
1342748bc
142995580
151ba2e99
hex13524cc

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".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 8933 17866 26799 35732 53598 62531 80397 107196 125062 160794 187593 241191 250124 321588 375186 482382 562779 723573 750372 964764 1125558 1447146 1688337 2251116 2894292 3376674 5065011 6753348 10130022 20260044