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1075748665 = 5401536533
BaseRepresentation
bin100000000011110…
…1001111100111001
32202222012200202011
41000013221330321
54200342424130
6254425005521
735441466325
oct10007517471
92688180664
101075748665
11502260992
122603238a1
13141b3c494
14a2c28985
156469552a
hex401e9f39

1075748665 has 8 divisors (see below), whose sum is σ = 1294120008. Its totient is φ = 858451200.

The previous prime is 1075748623. The next prime is 1075748719. The reversal of 1075748665 is 5668475701.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 196448256 + 879300409 = 14016^2 + 29653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1075748665 - 27 = 1075748537 is a prime.

It is a Duffinian number.

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, 266262 + ... + 270271.

It is an arithmetic number, because the mean of its divisors is an integer number (161765001).

Almost surely, 21075748665 is an apocalyptic number.

It is an amenable number.

1075748665 is a deficient number, since it is larger than the sum of its proper divisors (218371343).

1075748665 is an equidigital number, since it uses as much as digits as its factorization.

1075748665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536939.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The square root of 1075748665 is about 32798.6076686191. The cubic root of 1075748665 is about 1024.6375605341.

The spelling of 1075748665 in words is "one billion, seventy-five million, seven hundred forty-eight thousand, six hundred sixty-five".

Divisors: 1 5 401 2005 536533 2682665 215149733 1075748665