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99988842 = 2316664807
BaseRepresentation
bin1011111010110…
…11010101101010
320222010221220110
411331123111222
5201044120332
613531035150
72322614442
oct575332552
9228127813
1099988842
1151494108
122959bab6
131793b6c5
14d3cb122
158ba14cc
hex5f5b56a

99988842 has 8 divisors (see below), whose sum is σ = 199977696. Its totient is φ = 33329612.

The previous prime is 99988831. The next prime is 99988853. The reversal of 99988842 is 24888999.

It is an interprime number because it is at equal distance from previous prime (99988831) and next prime (99988853).

It is a sphenic number, since it is the product of 3 distinct primes.

99988842 is an admirable number.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8332398 + ... + 8332409.

It is an arithmetic number, because the mean of its divisors is an integer number (24997212).

Almost surely, 299988842 is an apocalyptic number.

99988842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99988842 is a wasteful number, since it uses less digits than its factorization.

99988842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16664812.

The product of its digits is 2985984, while the sum is 57.

The square root of 99988842 is about 9999.4420844365. The cubic root of 99988842 is about 464.1416191031.

The spelling of 99988842 in words is "ninety-nine million, nine hundred eighty-eight thousand, eight hundred forty-two".

Divisors: 1 2 3 6 16664807 33329614 49994421 99988842