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11430081 = 3213211463
BaseRepresentation
bin101011100110…
…100011000001
3210111201010100
4223212203001
510411230311
61044553013
7166103565
oct53464301
923451110
1011430081
1164a7653
1239b2769
1324a2780
1417376a5
15100ba56
hexae68c1

11430081 has 24 divisors (see below), whose sum is σ = 17902976. Its totient is φ = 6985440.

The previous prime is 11430073. The next prime is 11430101. The reversal of 11430081 is 18003411.

It is not a de Polignac number, because 11430081 - 23 = 11430073 is a prime.

It is a super-2 number, since 2×114300812 = 261293503333122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11430481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24456 + ... + 24918.

Almost surely, 211430081 is an apocalyptic number.

It is an amenable number.

11430081 is a deficient number, since it is larger than the sum of its proper divisors (6472895).

11430081 is a wasteful number, since it uses less digits than its factorization.

11430081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11430081 is about 3380.8402801670. The cubic root of 11430081 is about 225.2594932032.

Adding to 11430081 its reverse (18003411), we get a palindrome (29433492).

The spelling of 11430081 in words is "eleven million, four hundred thirty thousand, eighty-one".

Divisors: 1 3 9 13 39 117 211 463 633 1389 1899 2743 4167 6019 8229 18057 24687 54171 97693 293079 879237 1270009 3810027 11430081