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11874989 = 75928753
BaseRepresentation
bin101101010011…
…001010101101
3211100022102102
4231103022231
511014444424
61102304445
7202635650
oct55231255
924308372
1011874989
116780945
123b88125
1325ca129
141811897
1510987ae
hexb532ad

11874989 has 8 divisors (see below), whose sum is σ = 13801920. Its totient is φ = 10005696.

The previous prime is 11874979. The next prime is 11875001. The reversal of 11874989 is 98947811.

11874989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11874989 - 212 = 11870893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11874979) 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 in 7 ways as a sum of consecutive naturals, for example, 13964 + ... + 14789.

It is an arithmetic number, because the mean of its divisors is an integer number (1725240).

Almost surely, 211874989 is an apocalyptic number.

It is an amenable number.

11874989 is a deficient number, since it is larger than the sum of its proper divisors (1926931).

11874989 is an equidigital number, since it uses as much as digits as its factorization.

11874989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28819.

The product of its digits is 145152, while the sum is 47.

The square root of 11874989 is about 3446.0105919744. The cubic root of 11874989 is about 228.1450613245.

The spelling of 11874989 in words is "eleven million, eight hundred seventy-four thousand, nine hundred eighty-nine".

Divisors: 1 7 59 413 28753 201271 1696427 11874989