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14002271 = 17823663
BaseRepresentation
bin110101011010…
…100001011111
3222100101111122
4311122201133
512041033041
61220041155
7230005643
oct65324137
928311448
1014002271
1179a4128
1248331bb
132b9348a
141c06c23
151368c4b
hexd5a85f

14002271 has 4 divisors (see below), whose sum is σ = 14825952. Its totient is φ = 13178592.

The previous prime is 14002267. The next prime is 14002277. The reversal of 14002271 is 17220041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17220041 = 41420001.

It is a cyclic number.

It is not a de Polignac number, because 14002271 - 22 = 14002267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 823663 = 14002271 / (1 + 4 + 0 + 0 + 2 + 2 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14002277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411815 + ... + 411848.

It is an arithmetic number, because the mean of its divisors is an integer number (3706488).

Almost surely, 214002271 is an apocalyptic number.

14002271 is a deficient number, since it is larger than the sum of its proper divisors (823681).

14002271 is an equidigital number, since it uses as much as digits as its factorization.

14002271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823680.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 14002271 is about 3741.9608496081. The cubic root of 14002271 is about 241.0272576965.

The spelling of 14002271 in words is "fourteen million, two thousand, two hundred seventy-one".

Divisors: 1 17 823663 14002271