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99992 = 2329431
BaseRepresentation
bin11000011010011000
312002011102
4120122120
511144432
62050532
7564344
oct303230
9162142
1099992
1169142
1249a48
1336689
1428624
151e962
hex18698

99992 has 16 divisors (see below), whose sum is σ = 194400. Its totient is φ = 48160.

The previous prime is 99991. The next prime is 100003. The reversal of 99992 is 29999.

It is a plaindrome in base 13.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17 + ... + 447.

It is an arithmetic number, because the mean of its divisors is an integer number (12150).

299992 is an apocalyptic number.

It is an amenable number.

99992 is a deficient number, since it is larger than the sum of its proper divisors (94408).

99992 is a wasteful number, since it uses less digits than its factorization.

99992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 462 counting only the distinct ones).

The product of its digits is 13122, while the sum is 38.

The square root of 99992 is about 316.2151166532. The cubic root of 99992 is about 46.4146505461.

It can be divided in two parts, 9999 and 2, that added together give a palindrome (10001).

The spelling of 99992 in words is "ninety-nine thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 29 58 116 232 431 862 1724 3448 12499 24998 49996 99992