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99874297 is a prime number
BaseRepresentation
bin1011111001111…
…11010111111001
320221221010210001
411330333113321
5201031434142
613524353001
72321626465
oct574772771
9227833701
1099874297
1151416046
1229545761
13178cb523
14d39b4a5
158b7c5b7
hex5f3f5f9

99874297 has 2 divisors, whose sum is σ = 99874298. Its totient is φ = 99874296.

The previous prime is 99874283. The next prime is 99874301. The reversal of 99874297 is 79247899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91470096 + 8404201 = 9564^2 + 2899^2 .

It is a cyclic number.

It is not a de Polignac number, because 99874297 - 27 = 99874169 is a prime.

It is not a weakly prime, because it can be changed into another prime (99874277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49937148 + 49937149.

It is an arithmetic number, because the mean of its divisors is an integer number (49937149).

Almost surely, 299874297 is an apocalyptic number.

It is an amenable number.

99874297 is a deficient number, since it is larger than the sum of its proper divisors (1).

99874297 is an equidigital number, since it uses as much as digits as its factorization.

99874297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 55.

The square root of 99874297 is about 9993.7128736021. The cubic root of 99874297 is about 463.9643145985.

The spelling of 99874297 in words is "ninety-nine million, eight hundred seventy-four thousand, two hundred ninety-seven".