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1404343441 = 10889128969
BaseRepresentation
bin101001110110100…
…1001010010010001
310121212112001001001
41103231021102101
510334002442231
6351203542001
746541502514
oct12355112221
93555461031
101404343441
11660796016
1233238a901
13194c3c767
14d4722d7b
1583451b61
hex53b49491

1404343441 has 4 divisors (see below), whose sum is σ = 1404483300. Its totient is φ = 1404203584.

The previous prime is 1404343427. The next prime is 1404343469. The reversal of 1404343441 is 1443434041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1443434041 = 7206204863.

It can be written as a sum of positive squares in 2 ways, for example, as 215473041 + 1188870400 = 14679^2 + 34480^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404343441 - 213 = 1404335249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404343411) 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, 53596 + ... + 75373.

It is an arithmetic number, because the mean of its divisors is an integer number (351120825).

Almost surely, 21404343441 is an apocalyptic number.

It is an amenable number.

1404343441 is a deficient number, since it is larger than the sum of its proper divisors (139859).

1404343441 is a wasteful number, since it uses less digits than its factorization.

1404343441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139858.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1404343441 is about 37474.5705912690. The cubic root of 1404343441 is about 1119.8446428325.

Adding to 1404343441 its reverse (1443434041), we get a palindrome (2847777482).

The spelling of 1404343441 in words is "one billion, four hundred four million, three hundred forty-three thousand, four hundred forty-one".

Divisors: 1 10889 128969 1404343441