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11825005 = 52365001
BaseRepresentation
bin101101000110…
…111101101101
3211020202212011
4231012331231
511011400010
61101241221
7202340143
oct55067555
924222764
1011825005
116747335
123b63211
1325b045a
1417db593
151088a8a
hexb46f6d

11825005 has 4 divisors (see below), whose sum is σ = 14190012. Its totient is φ = 9460000.

The previous prime is 11824997. The next prime is 11825017. The reversal of 11825005 is 50052811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3175524 + 8649481 = 1782^2 + 2941^2 .

It is not a de Polignac number, because 11825005 - 23 = 11824997 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182496 + ... + 1182505.

It is an arithmetic number, because the mean of its divisors is an integer number (3547503).

Almost surely, 211825005 is an apocalyptic number.

It is an amenable number.

11825005 is a deficient number, since it is larger than the sum of its proper divisors (2365007).

11825005 is an equidigital number, since it uses as much as digits as its factorization.

11825005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365006.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 11825005 is about 3438.7504998182. The cubic root of 11825005 is about 227.8245097233.

Adding to 11825005 its reverse (50052811), we get a palindrome (61877816).

The spelling of 11825005 in words is "eleven million, eight hundred twenty-five thousand, five".

Divisors: 1 5 2365001 11825005