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5385991 = 131724371
BaseRepresentation
bin10100100010111100000111
3101010122012011
4110202330013
52334322431
6311235051
763531412
oct24427407
911118164
105385991
113049636
121978a87
1311676a0
14a02b79
15715cb1
hex522f07

5385991 has 8 divisors (see below), whose sum is σ = 6141744. Its totient is φ = 4679040.

The previous prime is 5385959. The next prime is 5385997. The reversal of 5385991 is 1995835.

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 5385991 - 25 = 5385959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5385997) 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 7 ways as a sum of consecutive naturals, for example, 11965 + ... + 12406.

It is an arithmetic number, because the mean of its divisors is an integer number (767718).

Almost surely, 25385991 is an apocalyptic number.

5385991 is a deficient number, since it is larger than the sum of its proper divisors (755753).

5385991 is a wasteful number, since it uses less digits than its factorization.

5385991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24401.

The product of its digits is 48600, while the sum is 40.

The square root of 5385991 is about 2320.7737933715. The cubic root of 5385991 is about 175.2892197071.

The spelling of 5385991 in words is "five million, three hundred eighty-five thousand, nine hundred ninety-one".

Divisors: 1 13 17 221 24371 316823 414307 5385991