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80199 = 3271967
BaseRepresentation
bin10011100101000111
311002000100
4103211013
510031244
61415143
7452550
oct234507
9132010
1080199
1155289
123a4b3
132a672
1421327
1518b69
hex13947

80199 has 24 divisors (see below), whose sum is σ = 141440. Its totient is φ = 42768.

The previous prime is 80191. The next prime is 80207. The reversal of 80199 is 99108.

It is an interprime number because it is at equal distance from previous prime (80191) and next prime (80207).

It is not a de Polignac number, because 80199 - 23 = 80191 is a prime.

It is a Duffinian number.

80199 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1164 + ... + 1230.

280199 is an apocalyptic number.

80199 is a deficient number, since it is larger than the sum of its proper divisors (61241).

80199 is a wasteful number, since it uses less digits than its factorization.

80199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 80199 is about 283.1942796032. The cubic root of 80199 is about 43.1243919259.

It can be divided in two parts, 801 and 99, that added together give a square (900 = 302).

The spelling of 80199 in words is "eighty thousand, one hundred ninety-nine".

Divisors: 1 3 7 9 19 21 57 63 67 133 171 201 399 469 603 1197 1273 1407 3819 4221 8911 11457 26733 80199