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99587249 is a prime number
BaseRepresentation
bin1011110111110…
…01010010110001
320221101120000122
411323321102301
5200443242444
613514300025
72316322556
oct573712261
9227346018
1099587249
115123a413
1229427615
131782a988
14d324a2d
158b224ee
hex5ef94b1

99587249 has 2 divisors, whose sum is σ = 99587250. Its totient is φ = 99587248.

The previous prime is 99587233. The next prime is 99587251. The reversal of 99587249 is 94278599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75134224 + 24453025 = 8668^2 + 4945^2 .

It is a cyclic number.

It is not a de Polignac number, because 99587249 - 24 = 99587233 is a prime.

Together with 99587251, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99587249.

It is not a weakly prime, because it can be changed into another prime (99587149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49793624 + 49793625.

It is an arithmetic number, because the mean of its divisors is an integer number (49793625).

Almost surely, 299587249 is an apocalyptic number.

It is an amenable number.

99587249 is a deficient number, since it is larger than the sum of its proper divisors (1).

99587249 is an equidigital number, since it uses as much as digits as its factorization.

99587249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 53.

The square root of 99587249 is about 9979.3411105143. The cubic root of 99587249 is about 463.5193959114.

The spelling of 99587249 in words is "ninety-nine million, five hundred eighty-seven thousand, two hundred forty-nine".