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14918143 is a prime number
BaseRepresentation
bin111000111010…
…000111111111
31001001220211211
4320322013333
512304340033
61251425251
7240542062
oct70720777
931056754
1014918143
11846a249
124bb5227
133124306
141da48d9
15149a2cd
hexe3a1ff

14918143 has 2 divisors, whose sum is σ = 14918144. Its totient is φ = 14918142.

The previous prime is 14918107. The next prime is 14918159. The reversal of 14918143 is 34181941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14918143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14918543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7459071 + 7459072.

It is an arithmetic number, because the mean of its divisors is an integer number (7459072).

Almost surely, 214918143 is an apocalyptic number.

14918143 is a deficient number, since it is larger than the sum of its proper divisors (1).

14918143 is an equidigital number, since it uses as much as digits as its factorization.

14918143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 14918143 is about 3862.4011961473. The cubic root of 14918143 is about 246.1717739622.

The spelling of 14918143 in words is "fourteen million, nine hundred eighteen thousand, one hundred forty-three".