Search a number
-
+
20590764 = 22359127229
BaseRepresentation
bin100111010001…
…1000010101100
31102202010012220
41032203002230
520232401024
62013155340
7340006245
oct116430254
942663186
1020590764
1110694167
126a8bb50
13435c2ac
142a3dccc
151c1ae79
hex13a30ac

20590764 has 48 divisors (see below), whose sum is σ = 49459200. Its totient is φ = 6664896.

The previous prime is 20590763. The next prime is 20590771. The reversal of 20590764 is 46709502.

It is not an unprimeable number, because it can be changed into a prime (20590763) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 89802 + ... + 90030.

It is an arithmetic number, because the mean of its divisors is an integer number (1030400).

Almost surely, 220590764 is an apocalyptic number.

It is an amenable number.

20590764 is an abundant number, since it is smaller than the sum of its proper divisors (28868436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20590764 is a wasteful number, since it uses less digits than its factorization.

20590764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 20590764 is about 4537.7047061262. The cubic root of 20590764 is about 274.0885039188.

The spelling of 20590764 in words is "twenty million, five hundred ninety thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 59 118 127 177 229 236 254 354 381 458 508 687 708 762 916 1374 1524 2748 7493 13511 14986 22479 27022 29083 29972 40533 44958 54044 58166 81066 87249 89916 116332 162132 174498 348996 1715897 3431794 5147691 6863588 10295382 20590764