Search a number
-
+
5128724 = 2223107521
BaseRepresentation
bin10011100100001000010100
3100122120021202
4103210020110
52303104344
6301532032
761410356
oct23441024
910576252
105128724
112993317
121874018
1310a7563
149770d6
156b494e
hex4e4214

5128724 has 24 divisors (see below), whose sum is σ = 9471168. Its totient is φ = 2425280.

The previous prime is 5128723. The next prime is 5128751. The reversal of 5128724 is 4278215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128723) 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, 9584 + ... + 10104.

It is an arithmetic number, because the mean of its divisors is an integer number (394632).

Almost surely, 25128724 is an apocalyptic number.

It is an amenable number.

5128724 is a deficient number, since it is larger than the sum of its proper divisors (4342444).

5128724 is a wasteful number, since it uses less digits than its factorization.

5128724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 653 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 5128724 is about 2264.6686291818. The cubic root of 5128724 is about 172.4526117817.

The spelling of 5128724 in words is "five million, one hundred twenty-eight thousand, seven hundred twenty-four".

Divisors: 1 2 4 23 46 92 107 214 428 521 1042 2084 2461 4922 9844 11983 23966 47932 55747 111494 222988 1282181 2564362 5128724