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5731808 = 25179119
BaseRepresentation
bin10101110111010111100000
3101210012120012
4111313113200
52431404213
6322504052
766501545
oct25672740
911705505
105731808
113265435
121b05028
131258c04
14a92bcc
157834a8
hex5775e0

5731808 has 12 divisors (see below), whose sum is σ = 11284560. Its totient is φ = 2865888.

The previous prime is 5731801. The next prime is 5731811. The reversal of 5731808 is 8081375.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 179119 = 5731808 / (5 + 7 + 3 + 1 + 8 + 0 + 8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731801) 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 as a sum of consecutive naturals, namely, 89528 + ... + 89591.

It is an arithmetic number, because the mean of its divisors is an integer number (940380).

Almost surely, 25731808 is an apocalyptic number.

It is an amenable number.

5731808 is a deficient number, since it is larger than the sum of its proper divisors (5552752).

5731808 is a wasteful number, since it uses less digits than its factorization.

5731808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179129 (or 179121 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 5731808 is about 2394.1194623494. The cubic root of 5731808 is about 178.9632582745.

The spelling of 5731808 in words is "five million, seven hundred thirty-one thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 179119 358238 716476 1432952 2865904 5731808