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54142518 = 23172811889
BaseRepresentation
bin1100111010001…
…0011000110110
310202212201120110
43032202120312
5102330030033
65212243450
71225126623
oct316423066
9122781513
1054142518
1128620091
1216170586
13b2a8ac1
14729534a
154b47363
hex33a2636

54142518 has 32 divisors (see below), whose sum is σ = 115123680. Its totient is φ = 16916480.

The previous prime is 54142453. The next prime is 54142519. The reversal of 54142518 is 81524145.

54142518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54142519) 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 15 ways as a sum of consecutive naturals, for example, 27718 + ... + 29606.

It is an arithmetic number, because the mean of its divisors is an integer number (3597615).

Almost surely, 254142518 is an apocalyptic number.

54142518 is an abundant number, since it is smaller than the sum of its proper divisors (60981162).

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

54142518 is a wasteful number, since it uses less digits than its factorization.

54142518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192.

The product of its digits is 6400, while the sum is 30.

The square root of 54142518 is about 7358.1599602074. The cubic root of 54142518 is about 378.3085440275.

The spelling of 54142518 in words is "fifty-four million, one hundred forty-two thousand, five hundred eighteen".

Divisors: 1 2 3 6 17 34 51 102 281 562 843 1686 1889 3778 4777 5667 9554 11334 14331 28662 32113 64226 96339 192678 530809 1061618 1592427 3184854 9023753 18047506 27071259 54142518