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11389298 = 25694649
BaseRepresentation
bin101011011100…
…100101110010
3210102122011212
4223130211302
510403424143
61044040122
7165543644
oct53344562
923378155
1011389298
116479a48
123993042
13248a03b
141726894
15eee918
hexadc972

11389298 has 4 divisors (see below), whose sum is σ = 17083950. Its totient is φ = 5694648.

The previous prime is 11389297. The next prime is 11389309. The reversal of 11389298 is 89298311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89298311 = 91997169.

It can be written as a sum of positive squares in only one way, i.e., 11242609 + 146689 = 3353^2 + 383^2 .

It is a super-2 number, since 2×113892982 = 259432217865608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11389291) 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 as a sum of consecutive naturals, namely, 2847323 + ... + 2847326.

Almost surely, 211389298 is an apocalyptic number.

11389298 is a deficient number, since it is larger than the sum of its proper divisors (5694652).

11389298 is an equidigital number, since it uses as much as digits as its factorization.

11389298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694651.

The product of its digits is 31104, while the sum is 41.

The square root of 11389298 is about 3374.8034016813. The cubic root of 11389298 is about 224.9912622121.

The spelling of 11389298 in words is "eleven million, three hundred eighty-nine thousand, two hundred ninety-eight".

Divisors: 1 2 5694649 11389298