Search a number
-
+
5731288388 = 2271336715313
BaseRepresentation
bin1010101011001110…
…01000010101000100
3112210102102121122022
411111213020111010
543214202212023
62344413222312
7262012101410
oct52547102504
915712377568
105731288388
112481187881
12113b491998
13704504507
143c5261d40
152382597c8
hex1559c8544

5731288388 has 24 divisors (see below), whose sum is σ = 11464182912. Its totient is φ = 2455922304.

The previous prime is 5731288313. The next prime is 5731288393. The reversal of 5731288388 is 8838821375.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366620 + ... + 381932.

It is an arithmetic number, because the mean of its divisors is an integer number (477674288).

Almost surely, 25731288388 is an apocalyptic number.

It is an amenable number.

5731288388 is an abundant number, since it is smaller than the sum of its proper divisors (5732894524).

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

5731288388 is a wasteful number, since it uses less digits than its factorization.

5731288388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28691 (or 28689 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The square root of 5731288388 is about 75705.2731848978. The cubic root of 5731288388 is about 1789.5785019233.

The spelling of 5731288388 in words is "five billion, seven hundred thirty-one million, two hundred eighty-eight thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 14 28 13367 15313 26734 30626 53468 61252 93569 107191 187138 214382 374276 428764 204688871 409377742 818755484 1432822097 2865644194 5731288388