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54148542 = 23710312517
BaseRepresentation
bin1100111010001…
…1110110111110
310202220000211120
43032203312332
5102330223132
65212331410
71225153320
oct316436676
9122800746
1054148542
1128624668
1216173b66
13b2ab776
147297610
154b4902c
hex33a3dbe

54148542 has 32 divisors (see below), whose sum is σ = 124979712. Its totient is φ = 15319584.

The previous prime is 54148531. The next prime is 54148543. The reversal of 54148542 is 24584145.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54148543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1933 + ... + 10584.

It is an arithmetic number, because the mean of its divisors is an integer number (3905616).

Almost surely, 254148542 is an apocalyptic number.

54148542 is an abundant number, since it is smaller than the sum of its proper divisors (70831170).

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

54148542 is a wasteful number, since it uses less digits than its factorization.

54148542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632.

The product of its digits is 25600, while the sum is 33.

The square root of 54148542 is about 7358.5692902901. The cubic root of 54148542 is about 378.3225739510.

The spelling of 54148542 in words is "fifty-four million, one hundred forty-eight thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 103 206 309 618 721 1442 2163 4326 12517 25034 37551 75102 87619 175238 262857 525714 1289251 2578502 3867753 7735506 9024757 18049514 27074271 54148542