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1090454041 = 1289845969
BaseRepresentation
bin100000011111111…
…0000001000011001
32210222212210201201
41000333300020121
54213124012131
6300112114201
736010464205
oct10077601031
92728783651
101090454041
1150a595296
12265235961
13144bba9a1
14a4b75b05
1565aec761
hex40ff0219

1090454041 has 4 divisors (see below), whose sum is σ = 1091301300. Its totient is φ = 1089606784.

The previous prime is 1090454021. The next prime is 1090454059. The reversal of 1090454041 is 1404540901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 877877641 + 212576400 = 29629^2 + 14580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090454041 - 25 = 1090454009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090454021) 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 3 ways as a sum of consecutive naturals, for example, 421696 + ... + 424273.

It is an arithmetic number, because the mean of its divisors is an integer number (272825325).

Almost surely, 21090454041 is an apocalyptic number.

It is an amenable number.

1090454041 is a deficient number, since it is larger than the sum of its proper divisors (847259).

1090454041 is an equidigital number, since it uses as much as digits as its factorization.

1090454041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847258.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1090454041 is about 33022.0235751839. The cubic root of 1090454041 is about 1029.2853436384.

Adding to 1090454041 its reverse (1404540901), we get a palindrome (2494994942).

The spelling of 1090454041 in words is "one billion, ninety million, four hundred fifty-four thousand, forty-one".

Divisors: 1 1289 845969 1090454041