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1404431441 = 71371114633
BaseRepresentation
bin101001110110101…
…1110110001010001
310121212200111202022
41103231132301101
510334013301231
6351205501225
746542320210
oct12355366121
93555614668
101404431441
11660846146
12332411815
13194c7082a
14d4747077
158346cc7b
hex53b5ec51

1404431441 has 8 divisors (see below), whose sum is σ = 1605291264. Its totient is φ = 1203628320.

The previous prime is 1404431419. The next prime is 1404431443. The reversal of 1404431441 is 1441344041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1404431441 - 26 = 1404431377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404431441.

It is not an unprimeable number, because it can be changed into a prime (1404431443) 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 7 ways as a sum of consecutive naturals, for example, 88661 + ... + 103293.

It is an arithmetic number, because the mean of its divisors is an integer number (200661408).

Almost surely, 21404431441 is an apocalyptic number.

It is an amenable number.

1404431441 is a deficient number, since it is larger than the sum of its proper divisors (200859823).

1404431441 is a wasteful number, since it uses less digits than its factorization.

1404431441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28351.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1404431441 is about 37475.7447024072. The cubic root of 1404431441 is about 1119.8680331864.

Adding to 1404431441 its reverse (1441344041), we get a palindrome (2845775482).

The spelling of 1404431441 in words is "one billion, four hundred four million, four hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 7 13711 14633 95977 102431 200633063 1404431441