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11430481 is a prime number
BaseRepresentation
bin101011100110…
…101001010001
3210111201200011
4223212221101
510411233411
61044554521
7166105006
oct53465121
923451604
1011430481
1164a7987
1239b2a41
1324a29ca
1417378ad
15100bc21
hexae6a51

11430481 has 2 divisors, whose sum is σ = 11430482. Its totient is φ = 11430480.

The previous prime is 11430479. The next prime is 11430487. The reversal of 11430481 is 18403411.

11430481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 2430481 = 3000^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 11430481 - 21 = 11430479 is a prime.

It is a super-2 number, since 2×114304812 = 261311791782722, which contains 22 as substring.

Together with 11430479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11430487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715240 + 5715241.

It is an arithmetic number, because the mean of its divisors is an integer number (5715241).

Almost surely, 211430481 is an apocalyptic number.

It is an amenable number.

11430481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11430481 is an equidigital number, since it uses as much as digits as its factorization.

11430481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 11430481 is about 3380.8994365405. The cubic root of 11430481 is about 225.2621208529.

Adding to 11430481 its reverse (18403411), we get a palindrome (29833892).

It can be divided in two parts, 11430 and 481, that added together give a palindrome (11911).

The spelling of 11430481 in words is "eleven million, four hundred thirty thousand, four hundred eighty-one".