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14955893 = 25575849
BaseRepresentation
bin111001000011…
…010101110101
31001010211121222
4321003111311
512312042033
61252320125
7241060121
oct71032565
931124558
1014955893
118495647
125013045
133138554
141db4581
1514a6598
hexe43575

14955893 has 4 divisors (see below), whose sum is σ = 14964300. Its totient is φ = 14947488.

The previous prime is 14955859. The next prime is 14955923. The reversal of 14955893 is 39855941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39855941 = 231732867.

It can be written as a sum of positive squares in 2 ways, for example, as 5726449 + 9229444 = 2393^2 + 3038^2 .

It is a cyclic number.

It is not a de Polignac number, because 14955893 - 220 = 13907317 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 (14955803) 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 3 ways as a sum of consecutive naturals, for example, 368 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (3741075).

Almost surely, 214955893 is an apocalyptic number.

It is an amenable number.

14955893 is a deficient number, since it is larger than the sum of its proper divisors (8407).

14955893 is an equidigital number, since it uses as much as digits as its factorization.

14955893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406.

The product of its digits is 194400, while the sum is 44.

The square root of 14955893 is about 3867.2849649334. The cubic root of 14955893 is about 246.3792429685.

The spelling of 14955893 in words is "fourteen million, nine hundred fifty-five thousand, eight hundred ninety-three".

Divisors: 1 2557 5849 14955893