Search a number
-
+
20054444 = 2237179757
BaseRepresentation
bin100110010000…
…0000110101100
31101201212112012
41030200012230
520113220234
61553500352
7332313524
oct114400654
941655465
1020054444
1110358223
1268716b8
134202147
142940684
151b620ce
hex13201ac

20054444 has 24 divisors (see below), whose sum is σ = 36293040. Its totient is φ = 9688896.

The previous prime is 20054431. The next prime is 20054467. The reversal of 20054444 is 44445002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26114 + ... + 26870.

It is an arithmetic number, because the mean of its divisors is an integer number (1512210).

Almost surely, 220054444 is an apocalyptic number.

It is an amenable number.

20054444 is a deficient number, since it is larger than the sum of its proper divisors (16238596).

20054444 is a wasteful number, since it uses less digits than its factorization.

20054444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 20054444 is about 4478.2188423524. The cubic root of 20054444 is about 271.6878447531.

Adding to 20054444 its reverse (44445002), we get a palindrome (64499446).

The spelling of 20054444 in words is "twenty million, fifty-four thousand, four hundred forty-four".

Divisors: 1 2 4 37 74 148 179 358 716 757 1514 3028 6623 13246 26492 28009 56018 112036 135503 271006 542012 5013611 10027222 20054444