Search a number
-
+
20433054 = 233405509
BaseRepresentation
bin100110111110…
…0100010011110
31102110002212210
41031330202132
520212324204
62005541250
7335451405
oct115744236
942402783
1020433054
1110596724
126a14826
134305585
1429dc63c
151bd9389
hex137c89e

20433054 has 8 divisors (see below), whose sum is σ = 40866120. Its totient is φ = 6811016.

The previous prime is 20433043. The next prime is 20433067. The reversal of 20433054 is 45033402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20433054 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20433054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702749 + ... + 1702760.

It is an arithmetic number, because the mean of its divisors is an integer number (5108265).

Almost surely, 220433054 is an apocalyptic number.

20433054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20433054 is a wasteful number, since it uses less digits than its factorization.

20433054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405514.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 20433054 is about 4520.2935745369. The cubic root of 20433054 is about 273.3869380622.

Adding to 20433054 its reverse (45033402), we get a palindrome (65466456).

The spelling of 20433054 in words is "twenty million, four hundred thirty-three thousand, fifty-four".

Divisors: 1 2 3 6 3405509 6811018 10216527 20433054