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99185243 is a prime number
BaseRepresentation
bin1011110100101…
…11001001011011
320220122010120112
411322113021123
5200342411433
613501514535
72313026543
oct572271133
9226563515
1099185243
1150a95383
1229272a4b
13177199c1
14d25c323
158a93348
hex5e9725b

99185243 has 2 divisors, whose sum is σ = 99185244. Its totient is φ = 99185242.

The previous prime is 99185183. The next prime is 99185287. The reversal of 99185243 is 34258199.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99185243 - 210 = 99184219 is a prime.

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 99185243.

It is not a weakly prime, because it can be changed into another prime (99185543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49592621 + 49592622.

It is an arithmetic number, because the mean of its divisors is an integer number (49592622).

Almost surely, 299185243 is an apocalyptic number.

99185243 is a deficient number, since it is larger than the sum of its proper divisors (1).

99185243 is an equidigital number, since it uses as much as digits as its factorization.

99185243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 99185243 is about 9959.1788316106. The cubic root of 99185243 is about 462.8948552032.

The spelling of 99185243 in words is "ninety-nine million, one hundred eighty-five thousand, two hundred forty-three".