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5291893439 = 73720432021
BaseRepresentation
bin1001110110110101…
…11110001010111111
3111122210122001002022
410323122332022333
541314211042224
62233035350355
7245065231520
oct47332761277
914583561068
105291893439
112276154958
1210382b23bb
1366447b8c1
14382b64847
1520e8b365e
hex13b6be2bf

5291893439 has 8 divisors (see below), whose sum is σ = 6211334688. Its totient is φ = 4413316320.

The previous prime is 5291893421. The next prime is 5291893459. The reversal of 5291893439 is 9343981925.

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

It is not a de Polignac number, because 5291893439 - 216 = 5291827903 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 (5291893459) 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, 10215752 + ... + 10216269.

It is an arithmetic number, because the mean of its divisors is an integer number (776416836).

Almost surely, 25291893439 is an apocalyptic number.

5291893439 is a deficient number, since it is larger than the sum of its proper divisors (919441249).

5291893439 is a wasteful number, since it uses less digits than its factorization.

5291893439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20432065.

The product of its digits is 2099520, while the sum is 53.

The square root of 5291893439 is about 72745.4014972768. The cubic root of 5291893439 is about 1742.6240232783.

The spelling of 5291893439 in words is "five billion, two hundred ninety-one million, eight hundred ninety-three thousand, four hundred thirty-nine".

Divisors: 1 7 37 259 20432021 143024147 755984777 5291893439