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14205427 = 107132761
BaseRepresentation
bin110110001100…
…000111110011
3222201201011221
4312030013303
512114033202
61224245511
7231513145
oct66140763
928651157
1014205427
118022825
124910897
132c34aa2
141c5ac95
1513a9037
hexd8c1f3

14205427 has 4 divisors (see below), whose sum is σ = 14338296. Its totient is φ = 14072560.

The previous prime is 14205413. The next prime is 14205439. The reversal of 14205427 is 72450241.

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 14205427 - 211 = 14203379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14205487) 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, 66274 + ... + 66487.

It is an arithmetic number, because the mean of its divisors is an integer number (3584574).

Almost surely, 214205427 is an apocalyptic number.

14205427 is a deficient number, since it is larger than the sum of its proper divisors (132869).

14205427 is a wasteful number, since it uses less digits than its factorization.

14205427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132868.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 14205427 is about 3769.0087556279. The cubic root of 14205427 is about 242.1873364439.

Adding to 14205427 its reverse (72450241), we get a palindrome (86655668).

The spelling of 14205427 in words is "fourteen million, two hundred five thousand, four hundred twenty-seven".

Divisors: 1 107 132761 14205427