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99831343 = 179557717
BaseRepresentation
bin1011111001101…
…00111000101111
320221211221212011
411330310320233
5201024100333
613523422051
72321360323
oct574647057
9227757764
1099831343
1151396847
1229524927
13178b4b01
14d389983
158b6e9cd
hex5f34e2f

99831343 has 4 divisors (see below), whose sum is σ = 100389240. Its totient is φ = 99273448.

The previous prime is 99831323. The next prime is 99831349. The reversal of 99831343 is 34313899.

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

It is a cyclic number.

It is not a de Polignac number, because 99831343 - 221 = 97734191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99831296 and 99831305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99831349) by changing a digit.

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, 278680 + ... + 279037.

It is an arithmetic number, because the mean of its divisors is an integer number (25097310).

Almost surely, 299831343 is an apocalyptic number.

99831343 is a deficient number, since it is larger than the sum of its proper divisors (557897).

99831343 is a wasteful number, since it uses less digits than its factorization.

99831343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557896.

The product of its digits is 69984, while the sum is 40.

The square root of 99831343 is about 9991.5635913505. The cubic root of 99831343 is about 463.8977910401.

The spelling of 99831343 in words is "ninety-nine million, eight hundred thirty-one thousand, three hundred forty-three".

Divisors: 1 179 557717 99831343