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99999349 = 159762617
BaseRepresentation
bin1011111010111…
…01111001110101
320222011111022121
411331131321311
5201044434344
613531155541
72322660202
oct575357165
9228144277
1099999349
11514a0a9a
12295a5bb1
1317943418
14d3d0ca9
158ba4684
hex5f5de75

99999349 has 4 divisors (see below), whose sum is σ = 100063564. Its totient is φ = 99935136.

The previous prime is 99999343. The next prime is 99999353. The reversal of 99999349 is 94399999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8892324 + 91107025 = 2982^2 + 9545^2 .

It is a cyclic number.

It is not a de Polignac number, because 99999349 - 223 = 91610741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29712 + ... + 32905.

It is an arithmetic number, because the mean of its divisors is an integer number (25015891).

Almost surely, 299999349 is an apocalyptic number.

It is an amenable number.

99999349 is a deficient number, since it is larger than the sum of its proper divisors (64215).

99999349 is a wasteful number, since it uses less digits than its factorization.

99999349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64214.

The product of its digits is 6377292, while the sum is 61.

The square root of 99999349 is about 9999.9674499470. The cubic root of 99999349 is about 464.1578761343.

The spelling of 99999349 in words is "ninety-nine million, nine hundred ninety-nine thousand, three hundred forty-nine".

Divisors: 1 1597 62617 99999349