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80201 = 1123317
BaseRepresentation
bin10011100101001001
311002000102
4103211021
510031301
61415145
7452552
oct234511
9132012
1080201
1155290
123a4b5
132a674
1421329
1518b6b
hex13949

80201 has 8 divisors (see below), whose sum is σ = 91584. Its totient is φ = 69520.

The previous prime is 80191. The next prime is 80207. The reversal of 80201 is 10208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-80201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a pancake number, because a pancake can be divided into 80201 parts by 400 straight cuts.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95 + ... + 411.

It is an arithmetic number, because the mean of its divisors is an integer number (11448).

280201 is an apocalyptic number.

It is an amenable number.

80201 is a deficient number, since it is larger than the sum of its proper divisors (11383).

80201 is a wasteful number, since it uses less digits than its factorization.

80201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 80201 is about 283.1978107260. The cubic root of 80201 is about 43.1247504011.

The spelling of 80201 in words is "eighty thousand, two hundred one".

Divisors: 1 11 23 253 317 3487 7291 80201