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54043140 = 2235900719
BaseRepresentation
bin1100111000101…
…0001000000100
310202200200020210
43032022020010
5102313340030
65210155420
71224234114
oct316121004
9122620223
1054043140
1128562458
1216122b70
13b2727b8
14726b044
154b27bb0
hex338a204

54043140 has 24 divisors (see below), whose sum is σ = 151320960. Its totient is φ = 14411488.

The previous prime is 54043127. The next prime is 54043151. The reversal of 54043140 is 4134045.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450300 + ... + 450419.

It is an arithmetic number, because the mean of its divisors is an integer number (6305040).

Almost surely, 254043140 is an apocalyptic number.

It is an amenable number.

54043140 is an abundant number, since it is smaller than the sum of its proper divisors (97277820).

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

54043140 is a wasteful number, since it uses less digits than its factorization.

54043140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900731 (or 900729 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54043140 is about 7351.4039475463. The cubic root of 54043140 is about 378.0769418694.

Adding to 54043140 its reverse (4134045), we get a palindrome (58177185).

The spelling of 54043140 in words is "fifty-four million, forty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 900719 1801438 2702157 3602876 4503595 5404314 9007190 10808628 13510785 18014380 27021570 54043140