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1404042042 = 231318000539
BaseRepresentation
bin101001110101111…
…1111101100111010
310121211221201121010
41103223333230322
510333413321132
6351153254350
746536106014
oct12353775472
93554851533
101404042042
116605aa627
123322643b6
13194b65510
14d46851b4
15833e26cc
hex53affb3a

1404042042 has 16 divisors (see below), whose sum is σ = 3024090720. Its totient is φ = 432012912.

The previous prime is 1404042041. The next prime is 1404042077. The reversal of 1404042042 is 2402404041.

It is not an unprimeable number, because it can be changed into a prime (1404042041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9000192 + ... + 9000347.

It is an arithmetic number, because the mean of its divisors is an integer number (189005670).

Almost surely, 21404042042 is an apocalyptic number.

1404042042 is an abundant number, since it is smaller than the sum of its proper divisors (1620048678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404042042 is a wasteful number, since it uses less digits than its factorization.

1404042042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18000557.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1404042042 is about 37470.5489951775. The cubic root of 1404042042 is about 1119.7645237309.

Adding to 1404042042 its reverse (2402404041), we get a palindrome (3806446083).

The spelling of 1404042042 in words is "one billion, four hundred four million, forty-two thousand, forty-two".

Divisors: 1 2 3 6 13 26 39 78 18000539 36001078 54001617 108003234 234007007 468014014 702021021 1404042042