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5427739 = 19328123
BaseRepresentation
bin10100101101001000011011
3101012202110101
4110231020123
52342141424
6312200231
764064212
oct24551033
911182411
105427739
113077a39
121999077
1311806a5
14a14079
15723344
hex52d21b

5427739 has 4 divisors (see below), whose sum is σ = 5456056. Its totient is φ = 5399424.

The previous prime is 5427679. The next prime is 5427757. The reversal of 5427739 is 9377245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9377245 = 51875449.

It is a cyclic number.

It is not a de Polignac number, because 5427739 - 215 = 5394971 is a prime.

It is a d-powerful number, because it can be written as 53 + 43 + 219 + 74 + 76 + 35 + 97 .

It is a Duffinian number.

5427739 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5427698 and 5427707.

It is not an unprimeable number, because it can be changed into a prime (5427439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13869 + ... + 14254.

It is an arithmetic number, because the mean of its divisors is an integer number (1364014).

Almost surely, 25427739 is an apocalyptic number.

5427739 is a deficient number, since it is larger than the sum of its proper divisors (28317).

5427739 is a wasteful number, since it uses less digits than its factorization.

5427739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28316.

The product of its digits is 52920, while the sum is 37.

The square root of 5427739 is about 2329.7508450476. The cubic root of 5427739 is about 175.7409562958.

It can be divided in two parts, 542 and 7739, that added together give a square (8281 = 912).

The spelling of 5427739 in words is "five million, four hundred twenty-seven thousand, seven hundred thirty-nine".

Divisors: 1 193 28123 5427739