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5687538 = 232932687
BaseRepresentation
bin10101101100100011110010
3101200221211120
4111230203302
52424000123
6321523110
766225513
oct25544362
911627746
105687538
11323514a
121aa3496
131241a0c
14a80a0a
157752e3
hex56c8f2

5687538 has 16 divisors (see below), whose sum is σ = 11767680. Its totient is φ = 1830416.

The previous prime is 5687531. The next prime is 5687551. The reversal of 5687538 is 8357865.

5687538 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5687538.

It is not an unprimeable number, because it can be changed into a prime (5687531) 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, 16170 + ... + 16517.

It is an arithmetic number, because the mean of its divisors is an integer number (735480).

Almost surely, 25687538 is an apocalyptic number.

5687538 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5687538 is an abundant number, since it is smaller than the sum of its proper divisors (6080142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5687538 is a wasteful number, since it uses less digits than its factorization.

5687538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32721.

The product of its digits is 201600, while the sum is 42.

The square root of 5687538 is about 2384.8559704938. The cubic root of 5687538 is about 178.5013220877.

The spelling of 5687538 in words is "five million, six hundred eighty-seven thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 29 58 87 174 32687 65374 98061 196122 947923 1895846 2843769 5687538