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1404224401 = 3114515191
BaseRepresentation
bin101001110110010…
…1100001110010001
310121212021222202011
41103230230032101
510333440140101
6351201222521
746540465456
oct12354541621
93555258664
101404224401
11660714638
12332331a41
13194bca518
14d46d182d
158342b751
hex53b2c391

1404224401 has 4 divisors (see below), whose sum is σ = 1408739904. Its totient is φ = 1399708900.

The previous prime is 1404224389. The next prime is 1404224411. The reversal of 1404224401 is 1044224041.

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 1404224401 - 217 = 1404093329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404224411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257285 + ... + 2257906.

It is an arithmetic number, because the mean of its divisors is an integer number (352184976).

Almost surely, 21404224401 is an apocalyptic number.

It is an amenable number.

1404224401 is a deficient number, since it is larger than the sum of its proper divisors (4515503).

1404224401 is an equidigital number, since it uses as much as digits as its factorization.

1404224401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515502.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1404224401 is about 37472.9822805712. The cubic root of 1404224401 is about 1119.8130005079.

Adding to 1404224401 its reverse (1044224041), we get a palindrome (2448448442).

The spelling of 1404224401 in words is "one billion, four hundred four million, two hundred twenty-four thousand, four hundred one".

Divisors: 1 311 4515191 1404224401