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54242741 = 783891049
BaseRepresentation
bin1100111011101…
…0110110110101
310210001211001102
43032322312311
5102341231431
65214335445
71226025050
oct316726665
9123054042
1054242741
1128689413
12161ba585
13b3125c7
1472bda97
154b66dcb
hex33badb5

54242741 has 16 divisors (see below), whose sum is σ = 63504000. Its totient is φ = 45374208.

The previous prime is 54242729. The next prime is 54242753. The reversal of 54242741 is 14724245.

It is an interprime number because it is at equal distance from previous prime (54242729) and next prime (54242753).

It is a cyclic number.

It is not a de Polignac number, because 54242741 - 210 = 54241717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54242791) 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, 51185 + ... + 52233.

It is an arithmetic number, because the mean of its divisors is an integer number (3969000).

Almost surely, 254242741 is an apocalyptic number.

It is an amenable number.

54242741 is a deficient number, since it is larger than the sum of its proper divisors (9261259).

54242741 is a wasteful number, since it uses less digits than its factorization.

54242741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its digits is 8960, while the sum is 29.

The square root of 54242741 is about 7364.9671418140. The cubic root of 54242741 is about 378.5418286237.

Adding to 54242741 its reverse (14724245), we get a palindrome (68966986).

The spelling of 54242741 in words is "fifty-four million, two hundred forty-two thousand, seven hundred forty-one".

Divisors: 1 7 83 89 581 623 1049 7343 7387 51709 87067 93361 609469 653527 7748963 54242741