Search a number
-
+
1115134860 = 223573773983
BaseRepresentation
bin100001001110111…
…1001101110001100
32212201022201110010
41002131321232030
54240433303420
6302353113220
736430330020
oct10235715614
92781281403
101115134860
11522512364
12271558810
1314a04c818
14a815c380
1567d754e0
hex42779b8c

1115134860 has 192 divisors, whose sum is σ = 3718858752. Its totient is φ = 244353024.

The previous prime is 1115134841. The next prime is 1115134877. The reversal of 1115134860 is 684315111.

1115134860 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1133929 + ... + 1134911.

It is an arithmetic number, because the mean of its divisors is an integer number (19369056).

Almost surely, 21115134860 is an apocalyptic number.

1115134860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115134860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1859429376).

1115134860 is an abundant number, since it is smaller than the sum of its proper divisors (2603723892).

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

1115134860 is a wasteful number, since it uses less digits than its factorization.

1115134860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1115134860 is about 33393.6350222614. The cubic root of 1115134860 is about 1036.9929347801.

Adding to 1115134860 its reverse (684315111), we get a palindrome (1799449971).

The spelling of 1115134860 in words is "one billion, one hundred fifteen million, one hundred thirty-four thousand, eight hundred sixty".