Search a number
-
+
10450081 = 91111471
BaseRepresentation
bin100111110111…
…010010100001
3201122220211001
4213313102201
510133400311
61011552001
7154552465
oct47672241
921586731
1010450081
115998334
1235bb601
13221b6a5
1415604a5
15db64c1
hex9f74a1

10450081 has 4 divisors (see below), whose sum is σ = 10462464. Its totient is φ = 10437700.

The previous prime is 10450079. The next prime is 10450091. The reversal of 10450081 is 18005401.

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 10450081 - 21 = 10450079 is a prime.

It is a super-2 number, since 2×104500812 = 218408385813122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10450051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4825 + ... + 6646.

It is an arithmetic number, because the mean of its divisors is an integer number (2615616).

Almost surely, 210450081 is an apocalyptic number.

It is an amenable number.

10450081 is a deficient number, since it is larger than the sum of its proper divisors (12383).

10450081 is an equidigital number, since it uses as much as digits as its factorization.

10450081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 10450081 is about 3232.6585034612. The cubic root of 10450081 is about 218.6283878046.

Adding to 10450081 its reverse (18005401), we get a palindrome (28455482).

The spelling of 10450081 in words is "ten million, four hundred fifty thousand, eighty-one".

Divisors: 1 911 11471 10450081