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11894249 = 20175897
BaseRepresentation
bin101101010111…
…110111101001
3211101021211202
4231113313221
511021103444
61102533545
7203046053
oct55276751
924337752
1011894249
116794364
123b972b5
132605b23
1418188d3
15109e34e
hexb57de9

11894249 has 4 divisors (see below), whose sum is σ = 11902164. Its totient is φ = 11886336.

The previous prime is 11894231. The next prime is 11894251. The reversal of 11894249 is 94249811.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94249811 = 433217667.

It can be written as a sum of positive squares in 2 ways, for example, as 10530025 + 1364224 = 3245^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 11894249 - 28 = 11893993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11896249) 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, 932 + ... + 4965.

It is an arithmetic number, because the mean of its divisors is an integer number (2975541).

Almost surely, 211894249 is an apocalyptic number.

It is an amenable number.

11894249 is a deficient number, since it is larger than the sum of its proper divisors (7915).

11894249 is an equidigital number, since it uses as much as digits as its factorization.

11894249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7914.

The product of its digits is 20736, while the sum is 38.

The square root of 11894249 is about 3448.8039955904. The cubic root of 11894249 is about 228.2683372406.

The spelling of 11894249 in words is "eleven million, eight hundred ninety-four thousand, two hundred forty-nine".

Divisors: 1 2017 5897 11894249