Search a number
-
+
1055818441 = 2813757361
BaseRepresentation
bin111110111011101…
…000001011001001
32201120201010121201
4332323220023021
54130242142231
6252433504201
735110210606
oct7673501311
92646633551
101055818441
114a1a89027
12255712061
1313a981a52
14a031b6ad
1562a5a161
hex3eee82c9

1055818441 has 4 divisors (see below), whose sum is σ = 1059576084. Its totient is φ = 1052060800.

The previous prime is 1055818409. The next prime is 1055818447. The reversal of 1055818441 is 1448185501.

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 561690000 + 494128441 = 23700^2 + 22229^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055818441 - 25 = 1055818409 is a prime.

It is a super-2 number, since 2×10558184412 = 2229505160711340962, which contains 22 as substring.

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 1055818441.

It is not an unprimeable number, because it can be changed into a prime (1055818447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878400 + ... + 1878961.

It is an arithmetic number, because the mean of its divisors is an integer number (264894021).

Almost surely, 21055818441 is an apocalyptic number.

It is an amenable number.

1055818441 is a deficient number, since it is larger than the sum of its proper divisors (3757643).

1055818441 is an equidigital number, since it uses as much as digits as its factorization.

1055818441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757642.

The product of its (nonzero) digits is 25600, while the sum is 37.

The square root of 1055818441 is about 32493.3599524580. The cubic root of 1055818441 is about 1018.2703098749.

The spelling of 1055818441 in words is "one billion, fifty-five million, eight hundred eighteen thousand, four hundred forty-one".

Divisors: 1 281 3757361 1055818441