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11236189 = 97115837
BaseRepresentation
bin101010110111…
…001101011101
3210010212011011
4222313031131
510334024224
61040455221
7164335366
oct52671535
923125134
1011236189
116384a08
12391a511
132435443
1416c6b6d
15ebe394
hexab735d

11236189 has 4 divisors (see below), whose sum is σ = 11352124. Its totient is φ = 11120256.

The previous prime is 11236129. The next prime is 11236193. The reversal of 11236189 is 98163211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98163211 = 269364919.

It can be written as a sum of positive squares in 2 ways, for example, as 4656964 + 6579225 = 2158^2 + 2565^2 .

It is a cyclic number.

It is not a de Polignac number, because 11236189 - 211 = 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 11236189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11236109) 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, 57822 + ... + 58015.

It is an arithmetic number, because the mean of its divisors is an integer number (2838031).

Almost surely, 211236189 is an apocalyptic number.

It is an amenable number.

11236189 is a deficient number, since it is larger than the sum of its proper divisors (115935).

11236189 is an equidigital number, since it uses as much as digits as its factorization.

11236189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115934.

The product of its digits is 2592, while the sum is 31.

The square root of 11236189 is about 3352.0425116636. The cubic root of 11236189 is about 223.9785069195.

The spelling of 11236189 in words is "eleven million, two hundred thirty-six thousand, one hundred eighty-nine".

Divisors: 1 97 115837 11236189