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89519 is a prime number
BaseRepresentation
bin10101110110101111
311112210112
4111312233
510331034
61530235
7521663
oct256657
9145715
1089519
1161291
124397b
1331991
14248a3
151b7ce
hex15daf

89519 has 2 divisors, whose sum is σ = 89520. Its totient is φ = 89518.

The previous prime is 89513. The next prime is 89521. The reversal of 89519 is 91598.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89519 is a prime.

It is a super-2 number, since 2×895192 = 16027302722, which contains 22 as substring.

Together with 89521, 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 (89513) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44759 + 44760.

It is an arithmetic number, because the mean of its divisors is an integer number (44760).

289519 is an apocalyptic number.

89519 is a deficient number, since it is larger than the sum of its proper divisors (1).

89519 is an equidigital number, since it uses as much as digits as its factorization.

89519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 32.

The square root of 89519 is about 299.1972593457. The cubic root of 89519 is about 44.7340694208.

The spelling of 89519 in words is "eighty-nine thousand, five hundred nineteen".