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5718639 = 319412447
BaseRepresentation
bin10101110100001001101111
3101202112111110
4111310021233
52430444024
6322323103
766415263
oct25641157
911675443
105718639
113256553
121ab9493
131252c14
14a8c0a3
1577e629
hex57426f

5718639 has 16 divisors (see below), whose sum is σ = 8225280. Its totient is φ = 3522240.

The previous prime is 5718623. The next prime is 5718641. The reversal of 5718639 is 9368175.

It is not a de Polignac number, because 5718639 - 24 = 5718623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5718597 and 5718606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5718649) 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 15 ways as a sum of consecutive naturals, for example, 1114 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (514080).

Almost surely, 25718639 is an apocalyptic number.

5718639 is a deficient number, since it is larger than the sum of its proper divisors (2506641).

5718639 is a wasteful number, since it uses less digits than its factorization.

5718639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510.

The product of its digits is 45360, while the sum is 39.

The square root of 5718639 is about 2391.3676003492. The cubic root of 5718639 is about 178.8260953660.

The spelling of 5718639 in words is "five million, seven hundred eighteen thousand, six hundred thirty-nine".

Divisors: 1 3 19 41 57 123 779 2337 2447 7341 46493 100327 139479 300981 1906213 5718639