Search a number
-
+
54112540 = 2252705627
BaseRepresentation
bin1100111001101…
…1000100011100
310202211012110011
43032123010130
5102323100130
65211453004
71224643336
oct316330434
9122735404
1054112540
11285aa609
1216157164
13b298271
147288456
154b3d52a
hex339b11c

54112540 has 12 divisors (see below), whose sum is σ = 113636376. Its totient is φ = 21645008.

The previous prime is 54112529. The next prime is 54112543. The reversal of 54112540 is 4521145.

54112540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54112543) 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 3 ways as a sum of consecutive naturals, for example, 1352794 + ... + 1352833.

It is an arithmetic number, because the mean of its divisors is an integer number (9469698).

Almost surely, 254112540 is an apocalyptic number.

It is an amenable number.

54112540 is an abundant number, since it is smaller than the sum of its proper divisors (59523836).

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

54112540 is a wasteful number, since it uses less digits than its factorization.

54112540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705636 (or 2705634 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 54112540 is about 7356.1226199677. The cubic root of 54112540 is about 378.2387096490.

Adding to 54112540 its reverse (4521145), we get a palindrome (58633685).

The spelling of 54112540 in words is "fifty-four million, one hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2705627 5411254 10822508 13528135 27056270 54112540