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1404137913 = 3468045971
BaseRepresentation
bin101001110110001…
…0111000110111001
310121212010121002220
41103230113012321
510333424403123
6351155314253
746536655353
oct12354270671
93555117086
101404137913
11660665662
123322ab989
13194b9a049
14d46ac0d3
1583410ce3
hex53b171b9

1404137913 has 4 divisors (see below), whose sum is σ = 1872183888. Its totient is φ = 936091940.

The previous prime is 1404137897. The next prime is 1404137927. The reversal of 1404137913 is 3197314041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1404137913 - 24 = 1404137897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1404137993) 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 3 ways as a sum of consecutive naturals, for example, 234022983 + ... + 234022988.

It is an arithmetic number, because the mean of its divisors is an integer number (468045972).

Almost surely, 21404137913 is an apocalyptic number.

It is an amenable number.

1404137913 is a deficient number, since it is larger than the sum of its proper divisors (468045975).

1404137913 is an equidigital number, since it uses as much as digits as its factorization.

1404137913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468045974.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1404137913 is about 37471.8282580394. The cubic root of 1404137913 is about 1119.7900097914.

The spelling of 1404137913 in words is "one billion, four hundred four million, one hundred thirty-seven thousand, nine hundred thirteen".

Divisors: 1 3 468045971 1404137913