Search a number
-
+
51441242 = 2831092843
BaseRepresentation
bin1100010000111…
…0111001011010
310120210111010012
43010032321122
5101132104432
65034321522
71163146316
oct304167132
9116714105
1051441242
1127045626
12152892a2
13a871408
146b90b46
1547b1cb2
hex310ee5a

51441242 has 16 divisors (see below), whose sum is σ = 78835680. Its totient is φ = 25168752.

The previous prime is 51441241. The next prime is 51441253. The reversal of 51441242 is 24214415.

51441242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51441241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16673 + ... + 19515.

It is an arithmetic number, because the mean of its divisors is an integer number (4927230).

Almost surely, 251441242 is an apocalyptic number.

51441242 is a deficient number, since it is larger than the sum of its proper divisors (27394438).

51441242 is a wasteful number, since it uses less digits than its factorization.

51441242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037.

The product of its digits is 1280, while the sum is 23.

The square root of 51441242 is about 7172.2550149866. The cubic root of 51441242 is about 371.9093942437.

Adding to 51441242 its reverse (24214415), we get a palindrome (75655657).

The spelling of 51441242 in words is "fifty-one million, four hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 83 109 166 218 2843 5686 9047 18094 235969 309887 471938 619774 25720621 51441242