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1075272489 = 3413274969
BaseRepresentation
bin100000000010111…
…0101101100101001
32202221022111120000
41000011311230221
54200232204424
6254410453213
735434444134
oct10005655451
92687274500
101075272489
11501a66155
12260134209
13141a03815
14a2b4321b
15645ee3c9
hex40175b29

1075272489 has 10 divisors (see below), whose sum is σ = 1606271370. Its totient is φ = 716848272.

The previous prime is 1075272487. The next prime is 1075272557. The reversal of 1075272489 is 9842725701.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1061456400 + 13816089 = 32580^2 + 3717^2 .

It is not a de Polignac number, because 1075272489 - 21 = 1075272487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1075272487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6637404 + ... + 6637565.

It is an arithmetic number, because the mean of its divisors is an integer number (160627137).

Almost surely, 21075272489 is an apocalyptic number.

It is an amenable number.

1075272489 is a deficient number, since it is larger than the sum of its proper divisors (530998881).

1075272489 is an equidigital number, since it uses as much as digits as its factorization.

1075272489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13274981 (or 13274972 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1075272489 is about 32791.3477765096. The cubic root of 1075272489 is about 1024.4863542660.

The spelling of 1075272489 in words is "one billion, seventy-five million, two hundred seventy-two thousand, four hundred eighty-nine".

Divisors: 1 3 9 27 81 13274969 39824907 119474721 358424163 1075272489