Search a number
-
+
1020441133 = 1760025949
BaseRepresentation
bin111100110100101…
…011001000101101
32122010010210002001
4330310223020231
54042213104013
6245131332301
734200415015
oct7464531055
92563123061
101020441133
11484015588
122458b1091
1313354632a
149974cc45
155e8bcddd
hex3cd2b22d

1020441133 has 4 divisors (see below), whose sum is σ = 1080467100. Its totient is φ = 960415168.

The previous prime is 1020441119. The next prime is 1020441139. The reversal of 1020441133 is 3311440201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 784112004 + 236329129 = 28002^2 + 15373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020441133 - 25 = 1020441101 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 1020441133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020441139) 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, 30012958 + ... + 30012991.

It is an arithmetic number, because the mean of its divisors is an integer number (270116775).

Almost surely, 21020441133 is an apocalyptic number.

It is an amenable number.

1020441133 is a deficient number, since it is larger than the sum of its proper divisors (60025967).

1020441133 is an equidigital number, since it uses as much as digits as its factorization.

1020441133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60025966.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1020441133 is about 31944.3443038044. The cubic root of 1020441133 is about 1006.7678044934.

Adding to 1020441133 its reverse (3311440201), we get a palindrome (4331881334).

The spelling of 1020441133 in words is "one billion, twenty million, four hundred forty-one thousand, one hundred thirty-three".

Divisors: 1 17 60025949 1020441133