Search a number
-
+
20765062 = 2191075107
BaseRepresentation
bin100111100110…
…1100110000110
31110001222022101
41033031212012
520303440222
62021022314
7341333353
oct117154606
943058271
1020765062
11107a310a
126b5499a
1343c0726
142a8762a
151c52927
hex13cd986

20765062 has 16 divisors (see below), whose sum is σ = 33099840. Its totient is φ = 9742248.

The previous prime is 20765051. The next prime is 20765077. The reversal of 20765062 is 26056702.

It is a self number, because there is not a number n which added to its sum of digits gives 20765062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513 + ... + 6619.

It is an arithmetic number, because the mean of its divisors is an integer number (2068740).

Almost surely, 220765062 is an apocalyptic number.

20765062 is a deficient number, since it is larger than the sum of its proper divisors (12334778).

20765062 is a wasteful number, since it uses less digits than its factorization.

20765062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20765062 is about 4556.8697589464. The cubic root of 20765062 is about 274.8597058501.

The spelling of 20765062 in words is "twenty million, seven hundred sixty-five thousand, sixty-two".

Divisors: 1 2 19 38 107 214 2033 4066 5107 10214 97033 194066 546449 1092898 10382531 20765062