Search a number
-
+
1150031320 = 23528750783
BaseRepresentation
bin100010010001100…
…0001010111011000
32222010222122101121
41010203001113120
54323402000240
6310041055024
740333050664
oct10443012730
92863878347
101150031320
11540187609
12281187474
1315434a409
14aca438a4
156ae6a04a
hex448c15d8

1150031320 has 16 divisors (see below), whose sum is σ = 2587570560. Its totient is φ = 460012512.

The previous prime is 1150031243. The next prime is 1150031327. The reversal of 1150031320 is 231300511.

It is a junction number, because it is equal to n+sod(n) for n = 1150031294 and 1150031303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150031327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14375352 + ... + 14375431.

It is an arithmetic number, because the mean of its divisors is an integer number (161723160).

Almost surely, 21150031320 is an apocalyptic number.

1150031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150031320 is an abundant number, since it is smaller than the sum of its proper divisors (1437539240).

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

1150031320 is a wasteful number, since it uses less digits than its factorization.

1150031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28750794 (or 28750790 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1150031320 is about 33912.1117006889. Note that the first 3 decimals coincide. The cubic root of 1150031320 is about 1047.6990642844.

Adding to 1150031320 its reverse (231300511), we get a palindrome (1381331831).

The spelling of 1150031320 in words is "one billion, one hundred fifty million, thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 28750783 57501566 115003132 143753915 230006264 287507830 575015660 1150031320