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11868245 = 52373649
BaseRepresentation
bin101101010001…
…100001010101
3211022222011122
4231101201111
511014240440
61102213325
7202610204
oct55214125
924288148
1011868245
116776874
123b84245
1325c703c
14180d23b
1510967b5
hexb51855

11868245 has 4 divisors (see below), whose sum is σ = 14241900. Its totient is φ = 9494592.

The previous prime is 11868223. The next prime is 11868251. The reversal of 11868245 is 54286811.

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 8631844 + 3236401 = 2938^2 + 1799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11868245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186820 + ... + 1186829.

It is an arithmetic number, because the mean of its divisors is an integer number (3560475).

Almost surely, 211868245 is an apocalyptic number.

It is an amenable number.

11868245 is a deficient number, since it is larger than the sum of its proper divisors (2373655).

11868245 is an equidigital number, since it uses as much as digits as its factorization.

11868245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373654.

The product of its digits is 15360, while the sum is 35.

The square root of 11868245 is about 3445.0319301858. The cubic root of 11868245 is about 228.1018640451.

The spelling of 11868245 in words is "eleven million, eight hundred sixty-eight thousand, two hundred forty-five".

Divisors: 1 5 2373649 11868245