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1044342001 = 7913219519
BaseRepresentation
bin111110001111110…
…110010011110001
32200210010001220101
4332033312103301
54114322421001
6251343512401
734610521603
oct7617662361
92623101811
101044342001
1149655a66a
122518b8701
13138494161
149c9b1173
1561a3ea01
hex3e3f64f1

1044342001 has 4 divisors (see below), whose sum is σ = 1057561600. Its totient is φ = 1031122404.

The previous prime is 1044341999. The next prime is 1044342017. The reversal of 1044342001 is 1002434401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1002434401 = 1317652171.

It is a cyclic number.

It is not a de Polignac number, because 1044342001 - 21 = 1044341999 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 1044342001.

It is not an unprimeable number, because it can be changed into a prime (1044342041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6609681 + ... + 6609838.

It is an arithmetic number, because the mean of its divisors is an integer number (264390400).

Almost surely, 21044342001 is an apocalyptic number.

It is an amenable number.

1044342001 is a deficient number, since it is larger than the sum of its proper divisors (13219599).

1044342001 is an equidigital number, since it uses as much as digits as its factorization.

1044342001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13219598.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1044342001 is about 32316.2807420656. The cubic root of 1044342001 is about 1014.5674266306.

Adding to 1044342001 its reverse (1002434401), we get a palindrome (2046776402).

The spelling of 1044342001 in words is "one billion, forty-four million, three hundred forty-two thousand, one".

Divisors: 1 79 13219519 1044342001