Search a number
-
+
54251142 = 23111934259
BaseRepresentation
bin1100111011110…
…0111010000110
310210002020120120
43032330322012
5102342014032
65214442410
71226061411
oct316747206
9123066516
1054251142
1128694760
1216203406
13b31638a
1472c2b78
154b6962c
hex33bce86

54251142 has 32 divisors (see below), whose sum is σ = 119007360. Its totient is φ = 16350720.

The previous prime is 54251123. The next prime is 54251177. The reversal of 54251142 is 24115245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10609 + ... + 14867.

It is an arithmetic number, because the mean of its divisors is an integer number (3718980).

Almost surely, 254251142 is an apocalyptic number.

54251142 is an abundant number, since it is smaller than the sum of its proper divisors (64756218).

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

54251142 is a wasteful number, since it uses less digits than its factorization.

54251142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468.

The product of its digits is 1600, while the sum is 24.

The square root of 54251142 is about 7365.5374549316. The cubic root of 54251142 is about 378.5613701984.

Adding to 54251142 its reverse (24115245), we get a palindrome (78366387).

The spelling of 54251142 in words is "fifty-four million, two hundred fifty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 193 386 579 1158 2123 4246 4259 6369 8518 12738 12777 25554 46849 93698 140547 281094 821987 1643974 2465961 4931922 9041857 18083714 27125571 54251142