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54236740 = 2252711837
BaseRepresentation
bin1100111011100…
…1011001000100
310210001111211011
43032321121010
5102341033430
65214252004
71226001415
oct316713104
9123044734
1054236740
1128684958
12161b7004
13b30c95c
1472bb80c
154b6522a
hex33b9644

54236740 has 12 divisors (see below), whose sum is σ = 113897196. Its totient is φ = 21694688.

The previous prime is 54236729. The next prime is 54236759. The reversal of 54236740 is 4763245.

54236740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23677956 + 30558784 = 4866^2 + 5528^2 .

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 3 ways as a sum of consecutive naturals, for example, 1355899 + ... + 1355938.

It is an arithmetic number, because the mean of its divisors is an integer number (9491433).

Almost surely, 254236740 is an apocalyptic number.

It is an amenable number.

54236740 is an abundant number, since it is smaller than the sum of its proper divisors (59660456).

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

54236740 is a wasteful number, since it uses less digits than its factorization.

54236740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711846 (or 2711844 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 54236740 is about 7364.5597288636. The cubic root of 54236740 is about 378.5278684559.

Adding to 54236740 its reverse (4763245), we get a palindrome (58999985).

The spelling of 54236740 in words is "fifty-four million, two hundred thirty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2711837 5423674 10847348 13559185 27118370 54236740