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19714 = 29857
BaseRepresentation
bin100110100000010
31000001011
410310002
51112324
6231134
7111322
oct46402
930034
1019714
11138a2
12b4aa
138c86
147282
155c94
hex4d02

19714 has 4 divisors (see below), whose sum is σ = 29574. Its totient is φ = 9856.

The previous prime is 19709. The next prime is 19717. The reversal of 19714 is 41791.

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

It can be written as a sum of positive squares in only one way, i.e., 17689 + 2025 = 133^2 + 45^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4927 + ... + 4930.

219714 is an apocalyptic number.

19714 is a deficient number, since it is larger than the sum of its proper divisors (9860).

19714 is an equidigital number, since it uses as much as digits as its factorization.

19714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9859.

The product of its digits is 252, while the sum is 22.

The square root of 19714 is about 140.4065525536. The cubic root of 19714 is about 27.0141672335.

The spelling of 19714 in words is "nineteen thousand, seven hundred fourteen".

Divisors: 1 2 9857 19714