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5398391 = 67197409
BaseRepresentation
bin10100100101111101110111
3101011021012102
4110211331313
52340222031
6311412315
763612515
oct24457567
911137172
105398391
113057989
12198409b
13117021b
14a074b5
157197cb
hex525f77

5398391 has 8 divisors (see below), whose sum is σ = 5520240. Its totient is φ = 5277888.

The previous prime is 5398381. The next prime is 5398409. The reversal of 5398391 is 1938935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5398391 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 (5398301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12995 + ... + 13403.

It is an arithmetic number, because the mean of its divisors is an integer number (690030).

Almost surely, 25398391 is an apocalyptic number.

5398391 is a deficient number, since it is larger than the sum of its proper divisors (121849).

5398391 is a wasteful number, since it uses less digits than its factorization.

5398391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its digits is 29160, while the sum is 38.

The square root of 5398391 is about 2323.4437802538. The cubic root of 5398391 is about 175.4236375820.

The spelling of 5398391 in words is "five million, three hundred ninety-eight thousand, three hundred ninety-one".

Divisors: 1 67 197 409 13199 27403 80573 5398391