Search a number
-
+
1044210421 = 4728797717
BaseRepresentation
bin111110001111010…
…110001011110101
32200202212101102001
4332033112023311
54114304213141
6251341015301
734606433152
oct7617261365
92622771361
101044210421
1149647a821
12251854531
131384492b7
149c979229
1561a15a31
hex3e3d62f5

1044210421 has 8 divisors (see below), whose sum is σ = 1066936320. Its totient is φ = 1021505808.

The previous prime is 1044210413. The next prime is 1044210439. The reversal of 1044210421 is 1240124401.

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 1044210421 - 23 = 1044210413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044210491) 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 7 ways as a sum of consecutive naturals, for example, 131455 + ... + 139171.

It is an arithmetic number, because the mean of its divisors is an integer number (133367040).

Almost surely, 21044210421 is an apocalyptic number.

It is an amenable number.

1044210421 is a deficient number, since it is larger than the sum of its proper divisors (22725899).

1044210421 is an equidigital number, since it uses as much as digits as its factorization.

1044210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1044210421 is about 32314.2448619800. The cubic root of 1044210421 is about 1014.5248153057.

Adding to 1044210421 its reverse (1240124401), we get a palindrome (2284334822).

The spelling of 1044210421 in words is "one billion, forty-four million, two hundred ten thousand, four hundred twenty-one".

Divisors: 1 47 2879 7717 135313 362699 22217243 1044210421