Search a number
-
+
1300020441 = 3433340147
BaseRepresentation
bin100110101111100…
…1011110011011001
310100121012212210020
41031133023303121
510130301123231
6332555541053
744133664026
oct11537136331
93317185706
101300020441
11607911665
1230345a789
13179444385
14c492854d
15791e6396
hex4d7cbcd9

1300020441 has 4 divisors (see below), whose sum is σ = 1733360592. Its totient is φ = 866680292.

The previous prime is 1300020431. The next prime is 1300020473. The reversal of 1300020441 is 1440200031.

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 1300020441 - 26 = 1300020377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1300020441.

It is not an unprimeable number, because it can be changed into a prime (1300020431) 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, 216670071 + ... + 216670076.

It is an arithmetic number, because the mean of its divisors is an integer number (433340148).

Almost surely, 21300020441 is an apocalyptic number.

It is an amenable number.

1300020441 is a deficient number, since it is larger than the sum of its proper divisors (433340151).

1300020441 is an equidigital number, since it uses as much as digits as its factorization.

1300020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433340150.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1300020441 is about 36055.7962191934. The cubic root of 1300020441 is about 1091.3986033291.

Adding to 1300020441 its reverse (1440200031), we get a palindrome (2740220472).

The spelling of 1300020441 in words is "one billion, three hundred million, twenty thousand, four hundred forty-one".

Divisors: 1 3 433340147 1300020441