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99997299 = 3267165833
BaseRepresentation
bin1011111010111…
…01011001110011
320222011101111200
411331131121303
5201044403144
613531142243
72322651213
oct575353163
9228141450
1099997299
115149a4a6
12295a4983
13179424cc
14d3d0243
158ba3c69
hex5f5d673

99997299 has 12 divisors (see below), whose sum is σ = 146597256. Its totient is φ = 65669472.

The previous prime is 99997267. The next prime is 99997357. The reversal of 99997299 is 99279999.

It is not a de Polignac number, because 99997299 - 25 = 99997267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99990299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82314 + ... + 83519.

It is an arithmetic number, because the mean of its divisors is an integer number (12216438).

Almost surely, 299997299 is an apocalyptic number.

99997299 is a deficient number, since it is larger than the sum of its proper divisors (46599957).

99997299 is a wasteful number, since it uses less digits than its factorization.

99997299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165906 (or 165903 counting only the distinct ones).

The product of its digits is 7440174, while the sum is 63.

The square root of 99997299 is about 9999.8649490881. The cubic root of 99997299 is about 464.1547043465.

The spelling of 99997299 in words is "ninety-nine million, nine hundred ninety-seven thousand, two hundred ninety-nine".