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54739806 = 2311899319
BaseRepresentation
bin1101000011010…
…0001101011110
310211000001220020
43100310031132
5103003133211
65233133010
71233165162
oct320641536
9124001806
1054739806
1128998910
12163ba166
13b457924
1473acca2
154c14306
hex343435e

54739806 has 32 divisors (see below), whose sum is σ = 120787200. Its totient is φ = 16399680.

The previous prime is 54739781. The next prime is 54739823. The reversal of 54739806 is 60893745.

It is a happy number.

54739806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1215 + ... + 10533.

It is an arithmetic number, because the mean of its divisors is an integer number (3774600).

Almost surely, 254739806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54739806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60393600).

54739806 is an abundant number, since it is smaller than the sum of its proper divisors (66047394).

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

54739806 is a wasteful number, since it uses less digits than its factorization.

54739806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9424.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 54739806 is about 7398.6354147234. The cubic root of 54739806 is about 379.6945976454.

The spelling of 54739806 in words is "fifty-four million, seven hundred thirty-nine thousand, eight hundred six".

Divisors: 1 2 3 6 11 22 33 66 89 178 267 534 979 1958 2937 5874 9319 18638 27957 55914 102509 205018 307527 615054 829391 1658782 2488173 4976346 9123301 18246602 27369903 54739806