Search a number
-
+
54444222 = 2327432097
BaseRepresentation
bin1100111110110…
…0000010111110
310210110001102200
43033230002332
5102414203342
65222532330
71230524340
oct317540276
9123401380
1054444222
1128806828
12162970a6
13b383221
147333290
154ba694c
hex33ec0be

54444222 has 24 divisors (see below), whose sum is σ = 134814576. Its totient is φ = 15555456.

The previous prime is 54444209. The next prime is 54444227. The reversal of 54444222 is 22244445.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54444227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215923 + ... + 216174.

It is an arithmetic number, because the mean of its divisors is an integer number (5617274).

Almost surely, 254444222 is an apocalyptic number.

54444222 is an abundant number, since it is smaller than the sum of its proper divisors (80370354).

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

54444222 is a wasteful number, since it uses less digits than its factorization.

54444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432112 (or 432109 counting only the distinct ones).

The product of its digits is 10240, while the sum is 27.

The square root of 54444222 is about 7378.6328001873. The cubic root of 54444222 is about 379.0099388700.

Adding to 54444222 its reverse (22244445), we get a palindrome (76688667).

The spelling of 54444222 in words is "fifty-four million, four hundred forty-four thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 432097 864194 1296291 2592582 3024679 3888873 6049358 7777746 9074037 18148074 27222111 54444222