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11234143 = 23488441
BaseRepresentation
bin101010110110…
…101101011111
3210010202100101
4222312231133
510333443033
61040441531
7164326414
oct52665537
923122311
1011234143
116383418
1239192a7
13243452b
1416c610b
15ebd97d
hexab6b5f

11234143 has 4 divisors (see below), whose sum is σ = 11722608. Its totient is φ = 10745680.

The previous prime is 11234141. The next prime is 11234159. The reversal of 11234143 is 34143211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34143211 = 50967079.

It is a cyclic number.

It is not a de Polignac number, because 11234143 - 21 = 11234141 is a prime.

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 11234143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244198 + ... + 244243.

It is an arithmetic number, because the mean of its divisors is an integer number (2930652).

Almost surely, 211234143 is an apocalyptic number.

11234143 is a deficient number, since it is larger than the sum of its proper divisors (488465).

11234143 is an equidigital number, since it uses as much as digits as its factorization.

11234143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488464.

The product of its digits is 288, while the sum is 19.

The square root of 11234143 is about 3351.7373107092. The cubic root of 11234143 is about 223.9649113299.

Adding to 11234143 its reverse (34143211), we get a palindrome (45377354).

The spelling of 11234143 in words is "eleven million, two hundred thirty-four thousand, one hundred forty-three".

Divisors: 1 23 488441 11234143