Search a number
-
+
550220444 = 222315139607
BaseRepresentation
bin100000110010111…
…011001010011100
31102100100002112222
4200302323022130
52111324023234
6130333044512
716430540144
oct4062731234
91370302488
10550220444
11262648844
12134326738
1389cb9937
1453109924
153348842e
hex20cbb29c

550220444 has 24 divisors (see below), whose sum is σ = 1011429888. Its totient is φ = 261399600.

The previous prime is 550220441. The next prime is 550220471. The reversal of 550220444 is 444022055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550220441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5912 + ... + 33695.

It is an arithmetic number, because the mean of its divisors is an integer number (42142912).

Almost surely, 2550220444 is an apocalyptic number.

It is an amenable number.

550220444 is a deficient number, since it is larger than the sum of its proper divisors (461209444).

550220444 is a wasteful number, since it uses less digits than its factorization.

550220444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39785 (or 39783 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 550220444 is about 23456.7782101464. The cubic root of 550220444 is about 819.4307192873.

Adding to 550220444 its reverse (444022055), we get a palindrome (994242499).

The spelling of 550220444 in words is "five hundred fifty million, two hundred twenty thousand, four hundred forty-four".

Divisors: 1 2 4 23 46 92 151 302 604 3473 6946 13892 39607 79214 158428 910961 1821922 3643844 5980657 11961314 23922628 137555111 275110222 550220444