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11133143 = 72227207
BaseRepresentation
bin101010011110…
…000011010111
3202221121210122
4222132003113
510322230033
61034342155
7163426100
oct52360327
922847718
1011133143
11631454a
12388a95b
1323ca578
14169b3a7
15e9da98
hexa9e0d7

11133143 has 6 divisors (see below), whose sum is σ = 12950856. Its totient is φ = 9542652.

The previous prime is 11133137. The next prime is 11133179. The reversal of 11133143 is 34133111.

It is not a de Polignac number, because 11133143 - 218 = 10870999 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 (11133193) 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 5 ways as a sum of consecutive naturals, for example, 113555 + ... + 113652.

It is an arithmetic number, because the mean of its divisors is an integer number (2158476).

Almost surely, 211133143 is an apocalyptic number.

11133143 is a deficient number, since it is larger than the sum of its proper divisors (1817713).

11133143 is an equidigital number, since it uses as much as digits as its factorization.

11133143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227221 (or 227214 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 11133143 is about 3336.6364800499. The cubic root of 11133143 is about 223.2917080414.

Adding to 11133143 its reverse (34133111), we get a palindrome (45266254).

The spelling of 11133143 in words is "eleven million, one hundred thirty-three thousand, one hundred forty-three".

Divisors: 1 7 49 227207 1590449 11133143