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14189741 = 25755213
BaseRepresentation
bin110110001000…
…010010101101
3222200220122222
4312020102231
512113032431
61224045125
7231416336
oct66102255
928626588
1014189741
118011a65
1249037a5
132c2a8c7
141c5528d
1513a457b
hexd884ad

14189741 has 4 divisors (see below), whose sum is σ = 14245212. Its totient is φ = 14134272.

The previous prime is 14189701. The next prime is 14189753. The reversal of 14189741 is 14798141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14798141 = 113130957.

It can be written as a sum of positive squares in 2 ways, for example, as 12075625 + 2114116 = 3475^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 14189741 - 210 = 14188717 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 (14189701) by changing a digit.

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, 27350 + ... + 27863.

It is an arithmetic number, because the mean of its divisors is an integer number (3561303).

Almost surely, 214189741 is an apocalyptic number.

It is an amenable number.

14189741 is a deficient number, since it is larger than the sum of its proper divisors (55471).

14189741 is an equidigital number, since it uses as much as digits as its factorization.

14189741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55470.

The product of its digits is 8064, while the sum is 35.

The square root of 14189741 is about 3766.9272623718. The cubic root of 14189741 is about 242.0981604382.

Subtracting 14189741 from its reverse (14798141), we obtain a square (608400 = 7802).

The spelling of 14189741 in words is "fourteen million, one hundred eighty-nine thousand, seven hundred forty-one".

Divisors: 1 257 55213 14189741