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1044092149 = 3769277021
BaseRepresentation
bin111110001110111…
…001010011110101
32200202122101011121
4332032321103311
54114241422044
6251334303541
734605431302
oct7616712365
92622571147
101044092149
114963a9981
122517b7bb1
13138407509
149c9480a9
15619e0984
hex3e3b94f5

1044092149 has 4 divisors (see below), whose sum is σ = 1044372940. Its totient is φ = 1043811360.

The previous prime is 1044092129. The next prime is 1044092171. The reversal of 1044092149 is 9412904401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9412904401 = 31330073177.

It can be written as a sum of positive squares in 2 ways, for example, as 424978225 + 619113924 = 20615^2 + 24882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044092149 - 215 = 1044059381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044092129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134742 + ... + 142279.

It is an arithmetic number, because the mean of its divisors is an integer number (261093235).

Almost surely, 21044092149 is an apocalyptic number.

It is an amenable number.

1044092149 is a deficient number, since it is larger than the sum of its proper divisors (280791).

1044092149 is an equidigital number, since it uses as much as digits as its factorization.

1044092149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280790.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1044092149 is about 32312.4147813190. The cubic root of 1044092149 is about 1014.4865106348.

The spelling of 1044092149 in words is "one billion, forty-four million, ninety-two thousand, one hundred forty-nine".

Divisors: 1 3769 277021 1044092149