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5384438279 = 11489494389
BaseRepresentation
bin1010000001111000…
…00000001000000111
3111220020202210201222
411000330000020013
542011404011104
62250143110555
7250300653533
oct50074001007
914806683658
105384438279
1123134141a0
1210632a245b
1367a6b1c6c
14391174bc3
15217a941be
hex140f00207

5384438279 has 4 divisors (see below), whose sum is σ = 5873932680. Its totient is φ = 4894943880.

The previous prime is 5384438263. The next prime is 5384438287. The reversal of 5384438279 is 9728344835.

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

It is a cyclic number.

It is not a de Polignac number, because 5384438279 - 24 = 5384438263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5384438279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5380438279) 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, 244747184 + ... + 244747205.

It is an arithmetic number, because the mean of its divisors is an integer number (1468483170).

Almost surely, 25384438279 is an apocalyptic number.

5384438279 is a deficient number, since it is larger than the sum of its proper divisors (489494401).

5384438279 is a wasteful number, since it uses less digits than its factorization.

5384438279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489494400.

The product of its digits is 5806080, while the sum is 53.

The square root of 5384438279 is about 73378.7317892589. The cubic root of 5384438279 is about 1752.7237344722.

The spelling of 5384438279 in words is "five billion, three hundred eighty-four million, four hundred thirty-eight thousand, two hundred seventy-nine".

Divisors: 1 11 489494389 5384438279