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54233540 = 22523117899
BaseRepresentation
bin1100111011100…
…0100111000100
310210001100102122
43032320213010
5102340433130
65214225112
71225656164
oct316704704
9123040378
1054233540
1128682509
12161b5198
13b30b36a
1472ba5a4
154b642e5
hex33b89c4

54233540 has 24 divisors (see below), whose sum is σ = 118843200. Its totient is φ = 20750048.

The previous prime is 54233507. The next prime is 54233551. The reversal of 54233540 is 4533245.

54233540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 58490 + ... + 59409.

It is an arithmetic number, because the mean of its divisors is an integer number (4951800).

Almost surely, 254233540 is an apocalyptic number.

It is an amenable number.

54233540 is an abundant number, since it is smaller than the sum of its proper divisors (64609660).

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

54233540 is a wasteful number, since it uses less digits than its factorization.

54233540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117931 (or 117929 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 54233540 is about 7364.3424689513. The cubic root of 54233540 is about 378.5204238528.

Adding to 54233540 its reverse (4533245), we get a palindrome (58766785).

The spelling of 54233540 in words is "fifty-four million, two hundred thirty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 117899 235798 471596 589495 1178990 2357980 2711677 5423354 10846708 13558385 27116770 54233540