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14397143 = 46730829
BaseRepresentation
bin110110111010…
…111011010111
31000002110011112
4312322323113
512141202033
61232325235
7233242115
oct66727327
930073145
1014397143
118143872
1249a381b
132ca1127
141caaab5
1513e5c48
hexdbaed7

14397143 has 4 divisors (see below), whose sum is σ = 14428440. Its totient is φ = 14365848.

The previous prime is 14397139. The next prime is 14397157. The reversal of 14397143 is 34179341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14397143 - 22 = 14397139 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 (14397343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14948 + ... + 15881.

It is an arithmetic number, because the mean of its divisors is an integer number (3607110).

Almost surely, 214397143 is an apocalyptic number.

14397143 is a deficient number, since it is larger than the sum of its proper divisors (31297).

14397143 is an equidigital number, since it uses as much as digits as its factorization.

14397143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31296.

The product of its digits is 9072, while the sum is 32.

The square root of 14397143 is about 3794.3567307252. The cubic root of 14397143 is about 243.2719890818.

The spelling of 14397143 in words is "fourteen million, three hundred ninety-seven thousand, one hundred forty-three".

Divisors: 1 467 30829 14397143