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5387897 = 17333109
BaseRepresentation
bin10100100011011001111001
3101010201210202
4110203121321
52334403042
6311251545
763540104
oct24433171
911121722
105387897
113050009
121979bb5
131168508
14a0373b
15716632
hex523679

5387897 has 4 divisors (see below), whose sum is σ = 5392740. Its totient is φ = 5383056.

The previous prime is 5387891. The next prime is 5387909. The reversal of 5387897 is 7987835.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7987835 = 51597567.

It can be written as a sum of positive squares in 2 ways, for example, as 1628176 + 3759721 = 1276^2 + 1939^2 .

It is a cyclic number.

It is not a de Polignac number, because 5387897 - 210 = 5386873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5387891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179 + ... + 3287.

It is an arithmetic number, because the mean of its divisors is an integer number (1348185).

Almost surely, 25387897 is an apocalyptic number.

It is an amenable number.

5387897 is a deficient number, since it is larger than the sum of its proper divisors (4843).

5387897 is a wasteful number, since it uses less digits than its factorization.

5387897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842.

The product of its digits is 423360, while the sum is 47.

The square root of 5387897 is about 2321.1843959496. The cubic root of 5387897 is about 175.3098944445.

The spelling of 5387897 in words is "five million, three hundred eighty-seven thousand, eight hundred ninety-seven".

Divisors: 1 1733 3109 5387897