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99719 is a prime number
BaseRepresentation
bin11000010110000111
312001210022
4120112013
511142334
62045355
7563504
oct302607
9161708
1099719
1168a14
124985b
1336509
14284ab
151e82e
hex18587

99719 has 2 divisors, whose sum is σ = 99720. Its totient is φ = 99718.

The previous prime is 99713. The next prime is 99721. The reversal of 99719 is 91799.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99719 - 216 = 34183 is a prime.

It is a super-2 number, since 2×997192 = 19887757922, which contains 22 as substring.

Together with 99721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49859 + 49860.

It is an arithmetic number, because the mean of its divisors is an integer number (49860).

299719 is an apocalyptic number.

99719 is a deficient number, since it is larger than the sum of its proper divisors (1).

99719 is an equidigital number, since it uses as much as digits as its factorization.

99719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103, while the sum is 35.

The square root of 99719 is about 315.7831534455. The cubic root of 99719 is about 46.3723713343.

It can be divided in two parts, 99 and 719, that added together give a palindrome (818).

The spelling of 99719 in words is "ninety-nine thousand, seven hundred nineteen".