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99982 = 249991
BaseRepresentation
bin11000011010001110
312002011001
4120122032
511144412
62050514
7564331
oct303216
9162131
1099982
1169133
1249a3a
133667c
1428618
151e957
hex1868e

99982 has 4 divisors (see below), whose sum is σ = 149976. Its totient is φ = 49990.

The previous prime is 99971. The next prime is 99989. The reversal of 99982 is 28999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28999 = 47617.

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 (99989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24994 + ... + 24997.

It is an arithmetic number, because the mean of its divisors is an integer number (37494).

299982 is an apocalyptic number.

99982 is a deficient number, since it is larger than the sum of its proper divisors (49994).

99982 is a wasteful number, since it uses less digits than its factorization.

99982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49993.

The product of its digits is 11664, while the sum is 37.

The square root of 99982 is about 316.1993042371. The cubic root of 99982 is about 46.4131032157.

It can be divided in two parts, 9998 and 2, that added together give a 4-th power (10000 = 104).

The spelling of 99982 in words is "ninety-nine thousand, nine hundred eighty-two".

Divisors: 1 2 49991 99982