Search a number
-
+
20653050 = 23521112517
BaseRepresentation
bin100111011001…
…0001111111010
31102212021122210
41032302033322
520241344200
62014355550
7340355655
oct116621772
942767583
1020653050
1110726a40
126abbbb6
134381752
142a5889c
151c2e650
hex13b23fa

20653050 has 48 divisors (see below), whose sum is σ = 55880352. Its totient is φ = 5006400.

The previous prime is 20653007. The next prime is 20653063. The reversal of 20653050 is 5035602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4609 + ... + 7908.

It is an arithmetic number, because the mean of its divisors is an integer number (1164174).

Almost surely, 220653050 is an apocalyptic number.

20653050 is an abundant number, since it is smaller than the sum of its proper divisors (35227302).

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

20653050 is a wasteful number, since it uses less digits than its factorization.

20653050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12543 (or 12538 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 20653050 is about 4544.5626852317. The cubic root of 20653050 is about 274.3645935866.

Adding to 20653050 its reverse (5035602), we get a palindrome (25688652).

It can be divided in two parts, 2065 and 3050, that added together give a palindrome (5115).

The spelling of 20653050 in words is "twenty million, six hundred fifty-three thousand, fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 150 165 275 330 550 825 1650 12517 25034 37551 62585 75102 125170 137687 187755 275374 312925 375510 413061 625850 688435 826122 938775 1376870 1877550 2065305 3442175 4130610 6884350 10326525 20653050