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5399391 = 31799797
BaseRepresentation
bin10100100110001101011111
3101011022120110
4110212031133
52340240031
6311421103
763615444
oct24461537
911138513
105399391
113058708
121984793
13117080a
14a079cb
15719c46
hex52635f

5399391 has 4 divisors (see below), whose sum is σ = 7199192. Its totient is φ = 3599592.

The previous prime is 5399389. The next prime is 5399393. The reversal of 5399391 is 1939935.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5399389) and next prime (5399393).

It is not a de Polignac number, because 5399391 - 21 = 5399389 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5399393) 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 3 ways as a sum of consecutive naturals, for example, 899896 + ... + 899901.

It is an arithmetic number, because the mean of its divisors is an integer number (1799798).

Almost surely, 25399391 is an apocalyptic number.

5399391 is a deficient number, since it is larger than the sum of its proper divisors (1799801).

5399391 is a wasteful number, since it uses less digits than its factorization.

5399391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799800.

The product of its digits is 32805, while the sum is 39.

The square root of 5399391 is about 2323.6589680932. The cubic root of 5399391 is about 175.4344687604.

The spelling of 5399391 in words is "five million, three hundred ninety-nine thousand, three hundred ninety-one".

Divisors: 1 3 1799797 5399391