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54040454 = 21321011583
BaseRepresentation
bin1100111000100…
…1011110000110
310202200112120022
43032021132012
5102313243304
65210135142
71224223226
oct316113606
9122615508
1054040454
1128560436
12161214b2
13b271500
14726a086
154b26ebe
hex3389786

54040454 has 24 divisors (see below), whose sum is σ = 88700832. Its totient is φ = 24679200.

The previous prime is 54040453. The next prime is 54040463. The reversal of 54040454 is 45404045.

54040454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×540404542 = 5840741337052232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54040453) 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 11 ways as a sum of consecutive naturals, for example, 33347 + ... + 34929.

It is an arithmetic number, because the mean of its divisors is an integer number (3695868).

Almost surely, 254040454 is an apocalyptic number.

54040454 is a deficient number, since it is larger than the sum of its proper divisors (34660378).

54040454 is a wasteful number, since it uses less digits than its factorization.

54040454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1699 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 54040454 is about 7351.2212590834. The cubic root of 54040454 is about 378.0706781605.

Adding to 54040454 its reverse (45404045), we get a palindrome (99444499).

The spelling of 54040454 in words is "fifty-four million, forty thousand, four hundred fifty-four".

Divisors: 1 2 13 26 101 169 202 338 1313 1583 2626 3166 17069 20579 34138 41158 159883 267527 319766 535054 2078479 4156958 27020227 54040454