Search a number
-
+
1042300261 = 1736024857
BaseRepresentation
bin111110001000000…
…011110101100101
32200122021100011101
4332020003311211
54113312102021
6251232040101
734554256162
oct7610036545
92618240141
101042300261
11495395682
12251093031
13137c2aa22
149c5dd069
1561789a91
hex3e203d65

1042300261 has 4 divisors (see below), whose sum is σ = 1048325292. Its totient is φ = 1036275232.

The previous prime is 1042300241. The next prime is 1042300267. The reversal of 1042300261 is 1620032401.

1042300261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1620032401 = 13124617877.

It can be written as a sum of positive squares in 2 ways, for example, as 778075236 + 264225025 = 27894^2 + 16255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042300261 - 215 = 1042267493 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 (1042300267) 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, 3012256 + ... + 3012601.

It is an arithmetic number, because the mean of its divisors is an integer number (262081323).

Almost surely, 21042300261 is an apocalyptic number.

It is an amenable number.

1042300261 is a deficient number, since it is larger than the sum of its proper divisors (6025031).

1042300261 is an equidigital number, since it uses as much as digits as its factorization.

1042300261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025030.

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

The square root of 1042300261 is about 32284.6753274677. The cubic root of 1042300261 is about 1013.9058188705.

Adding to 1042300261 its reverse (1620032401), we get a palindrome (2662332662).

The spelling of 1042300261 in words is "one billion, forty-two million, three hundred thousand, two hundred sixty-one".

Divisors: 1 173 6024857 1042300261