Search a number
-
+
1150225231 = 2989613727
BaseRepresentation
bin100010010001111…
…0000101101001111
32222011100111101111
41010203300231033
54323424201411
6310045152451
740334516221
oct10443605517
92864314344
101150225231
115402aa271
1228125b727
131543b775c
14aca94411
156aea7721
hex448f0b4f

1150225231 has 16 divisors (see below), whose sum is σ = 1206878400. Its totient is φ = 1094784768.

The previous prime is 1150225229. The next prime is 1150225259. The reversal of 1150225231 is 1325220511.

It is a cyclic number.

It is not a de Polignac number, because 1150225231 - 21 = 1150225229 is a prime.

It is a super-2 number, since 2×11502252312 = 2646036164058006722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150225201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1581790 + ... + 1582516.

It is an arithmetic number, because the mean of its divisors is an integer number (75429900).

Almost surely, 21150225231 is an apocalyptic number.

1150225231 is a deficient number, since it is larger than the sum of its proper divisors (56653169).

1150225231 is an equidigital number, since it uses as much as digits as its factorization.

1150225231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1150225231 is about 33914.9706029653. The cubic root of 1150225231 is about 1047.7579464360.

Adding to 1150225231 its reverse (1325220511), we get a palindrome (2475445742).

The spelling of 1150225231 in words is "one billion, one hundred fifty million, two hundred twenty-five thousand, two hundred thirty-one".

Divisors: 1 29 89 613 727 2581 17777 21083 54557 64703 445651 1582153 1876387 12923879 39662939 1150225231