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54289939 = 116180909
BaseRepresentation
bin1100111100011…
…0011000010011
310210011012210111
43033012120103
5102344234224
65215342151
71226312464
oct317063023
9123135714
1054289939
1128710920
1216221957
13b32ac32
1472d2d6b
154b75d94
hex33c6613

54289939 has 8 divisors (see below), whose sum is σ = 60197040. Its totient is φ = 48544800.

The previous prime is 54289933. The next prime is 54289979. The reversal of 54289939 is 93998245.

54289939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54289939 - 23 = 54289931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54289892 and 54289901.

It is not an unprimeable number, because it can be changed into a prime (54289931) 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 7 ways as a sum of consecutive naturals, for example, 39784 + ... + 41125.

It is an arithmetic number, because the mean of its divisors is an integer number (7524630).

Almost surely, 254289939 is an apocalyptic number.

54289939 is a deficient number, since it is larger than the sum of its proper divisors (5907101).

54289939 is a wasteful number, since it uses less digits than its factorization.

54289939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80981.

The product of its digits is 699840, while the sum is 49.

The square root of 54289939 is about 7368.1706684902. The cubic root of 54289939 is about 378.6515897787.

The spelling of 54289939 in words is "fifty-four million, two hundred eighty-nine thousand, nine hundred thirty-nine".

Divisors: 1 11 61 671 80909 889999 4935449 54289939