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1042140441 = 31978831997
BaseRepresentation
bin111110000111011…
…100110100011001
32200121222012221010
4332013130310121
54113241443231
6251224404133
734553022216
oct7607346431
92617865833
101042140441
114952965a1
12251016649
13137ba3064
149c59ab0d
1561757546
hex3e1dcd19

1042140441 has 16 divisors (see below), whose sum is σ = 1398855744. Its totient is φ = 690105024.

The previous prime is 1042140439. The next prime is 1042140457. The reversal of 1042140441 is 1440412401.

It is not a de Polignac number, because 1042140441 - 21 = 1042140439 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1042140401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520855 + ... + 522851.

It is an arithmetic number, because the mean of its divisors is an integer number (87428484).

Almost surely, 21042140441 is an apocalyptic number.

It is an amenable number.

1042140441 is a deficient number, since it is larger than the sum of its proper divisors (356715303).

1042140441 is a wasteful number, since it uses less digits than its factorization.

1042140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1042140441 is about 32282.2000644318. The cubic root of 1042140441 is about 1013.8539941654.

Adding to 1042140441 its reverse (1440412401), we get a palindrome (2482552842).

The spelling of 1042140441 in words is "one billion, forty-two million, one hundred forty thousand, four hundred forty-one".

Divisors: 1 3 197 591 883 1997 2649 5991 173951 393409 521853 1180227 1763351 5290053 347380147 1042140441