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5320145 = 51064029
BaseRepresentation
bin10100010010110111010001
3101000021212102
4110102313101
52330221040
6310010145
763135425
oct24226721
911007772
105320145
113004116
121946955
13114371c
149c6b85
15701515
hex512dd1

5320145 has 4 divisors (see below), whose sum is σ = 6384180. Its totient is φ = 4256112.

The previous prime is 5320141. The next prime is 5320169. The reversal of 5320145 is 5410235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5410235 = 51082047.

It can be written as a sum of positive squares in 2 ways, for example, as 3094081 + 2226064 = 1759^2 + 1492^2 .

It is a cyclic number.

It is not a de Polignac number, because 5320145 - 22 = 5320141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5320141) 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, 532010 + ... + 532019.

It is an arithmetic number, because the mean of its divisors is an integer number (1596045).

Almost surely, 25320145 is an apocalyptic number.

It is an amenable number.

5320145 is a deficient number, since it is larger than the sum of its proper divisors (1064035).

5320145 is a wasteful number, since it uses less digits than its factorization.

5320145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064034.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5320145 is about 2306.5439514564. The cubic root of 5320145 is about 174.5719606984.

The spelling of 5320145 in words is "five million, three hundred twenty thousand, one hundred forty-five".

Divisors: 1 5 1064029 5320145