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80275 = 5213219
BaseRepresentation
bin10011100110010011
311002010011
4103212103
510032100
61415351
7453016
oct234623
9132104
1080275
1155348
123a557
132a700
142137d
1518bba
hex13993

80275 has 18 divisors (see below), whose sum is σ = 113460. Its totient is φ = 56160.

The previous prime is 80273. The next prime is 80279. The reversal of 80275 is 57208.

It is not a de Polignac number, because 80275 - 21 = 80273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80273) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4216 + ... + 4234.

280275 is an apocalyptic number.

80275 is a deficient number, since it is larger than the sum of its proper divisors (33185).

80275 is a wasteful number, since it uses less digits than its factorization.

80275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 80275 is about 283.3284313301. The cubic root of 80275 is about 43.1380097975.

The spelling of 80275 in words is "eighty thousand, two hundred seventy-five".

Divisors: 1 5 13 19 25 65 95 169 247 325 475 845 1235 3211 4225 6175 16055 80275