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5687279 = 13232827
BaseRepresentation
bin10101101100011111101111
3101200221110222
4111230133233
52423443104
6321521555
766224663
oct25543757
911627428
105687279
113234a34
121aa32bb
131241870
14a808a3
157751be
hex56c7ef

5687279 has 12 divisors (see below), whose sum is σ = 6410376. Its totient is φ = 5015472.

The previous prime is 5687273. The next prime is 5687303. The reversal of 5687279 is 9727865.

It is a de Polignac number, because none of the positive numbers 2k-5687279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5687273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6464 + ... + 7290.

It is an arithmetic number, because the mean of its divisors is an integer number (534198).

Almost surely, 25687279 is an apocalyptic number.

5687279 is a deficient number, since it is larger than the sum of its proper divisors (723097).

5687279 is a wasteful number, since it uses less digits than its factorization.

5687279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 863 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 5687279 is about 2384.8016689025. The cubic root of 5687279 is about 178.4986125061.

The spelling of 5687279 in words is "five million, six hundred eighty-seven thousand, two hundred seventy-nine".

Divisors: 1 13 23 299 529 827 6877 10751 19021 247273 437483 5687279