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5731488 = 253272843
BaseRepresentation
bin10101110111010010100000
3101210012010100
4111313102200
52431401423
6322502400
766500610
oct25672240
911705110
105731488
113265174
121b04a00
131258a19
14a92a40
15783343
hex5774a0

5731488 has 72 divisors (see below), whose sum is σ = 18633888. Its totient is φ = 1636992.

The previous prime is 5731487. The next prime is 5731519. The reversal of 5731488 is 8841375.

5731488 is a `hidden beast` number, since 573 + 1 + 4 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5731487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 595 + ... + 3437.

It is an arithmetic number, because the mean of its divisors is an integer number (258804).

Almost surely, 25731488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5731488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9316944).

5731488 is an abundant number, since it is smaller than the sum of its proper divisors (12902400).

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

5731488 is a wasteful number, since it uses less digits than its factorization.

5731488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866 (or 2855 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 5731488 is about 2394.0526310004. The cubic root of 5731488 is about 178.9599277775.

The spelling of 5731488 in words is "five million, seven hundred thirty-one thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 2843 5686 8529 11372 17058 19901 22744 25587 34116 39802 45488 51174 59703 68232 79604 90976 102348 119406 136464 159208 179109 204696 238812 272928 318416 358218 409392 477624 636832 716436 818784 955248 1432872 1910496 2865744 5731488