Search a number
-
+
1042113440 = 25523283183
BaseRepresentation
bin111110000111010…
…110001110100000
32200121220211220002
4332013112032200
54113240112230
6251224035132
734552550414
oct7607261640
92617824802
101042113440
11495278285
12251002aa8
13137b93994
149c590d44
156174e545
hex3e1d63a0

1042113440 has 48 divisors (see below), whose sum is σ = 2569045248. Its totient is φ = 398720256.

The previous prime is 1042113439. The next prime is 1042113461. The reversal of 1042113440 is 443112401.

1042113440 is digitally balanced in base 2, 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 (20).

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, 137912 + ... + 145271.

It is an arithmetic number, because the mean of its divisors is an integer number (53521776).

Almost surely, 21042113440 is an apocalyptic number.

1042113440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042113440 is an abundant number, since it is smaller than the sum of its proper divisors (1526931808).

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

1042113440 is a wasteful number, since it uses less digits than its factorization.

1042113440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283221 (or 283213 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1042113440 is about 32281.7818591230. The cubic root of 1042113440 is about 1013.8452380493.

Adding to 1042113440 its reverse (443112401), we get a palindrome (1485225841).

The spelling of 1042113440 in words is "one billion, forty-two million, one hundred thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 80 92 115 160 184 230 368 460 736 920 1840 3680 283183 566366 1132732 1415915 2265464 2831830 4530928 5663660 6513209 9061856 11327320 13026418 22654640 26052836 32566045 45309280 52105672 65132090 104211344 130264180 208422688 260528360 521056720 1042113440