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11869493 is a prime number
BaseRepresentation
bin101101010001…
…110100110101
3211100000212212
4231101310311
511014310433
61102223205
7202613636
oct55216465
924300785
1011869493
1167777a9
123b84b05
1325c778c
14180d88d
151096d48
hexb51d35

11869493 has 2 divisors, whose sum is σ = 11869494. Its totient is φ = 11869492.

The previous prime is 11869463. The next prime is 11869511. The reversal of 11869493 is 39496811.

11869493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10903204 + 966289 = 3302^2 + 983^2 .

It is a cyclic number.

It is not a de Polignac number, because 11869493 - 28 = 11869237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11869493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11869423) 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, 5934746 + 5934747.

It is an arithmetic number, because the mean of its divisors is an integer number (5934747).

Almost surely, 211869493 is an apocalyptic number.

It is an amenable number.

11869493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11869493 is an equidigital number, since it uses as much as digits as its factorization.

11869493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 11869493 is about 3445.2130558211. The cubic root of 11869493 is about 228.1098590814.

The spelling of 11869493 in words is "eleven million, eight hundred sixty-nine thousand, four hundred ninety-three".