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80061 = 326687
BaseRepresentation
bin10011100010111101
311001211020
4103202331
510030221
61414353
7452262
oct234275
9131736
1080061
1155173
123a3b9
132a597
1421269
1518ac6
hex138bd

80061 has 4 divisors (see below), whose sum is σ = 106752. Its totient is φ = 53372.

The previous prime is 80051. The next prime is 80071. The reversal of 80061 is 16008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (80051) and next prime (80071).

It is a cyclic number.

It is not a de Polignac number, because 80061 - 26 = 79997 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 80061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13341 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (26688).

280061 is an apocalyptic number.

It is an amenable number.

80061 is a deficient number, since it is larger than the sum of its proper divisors (26691).

80061 is a wasteful number, since it uses less digits than its factorization.

80061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26690.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 80061 is about 282.9505257108. The cubic root of 80061 is about 43.0996427279.

Adding to 80061 its reverse (16008), we get a palindrome (96069).

It can be divided in two parts, 800 and 61, that added together give a triangular number (861 = T41).

The spelling of 80061 in words is "eighty thousand, sixty-one".

Divisors: 1 3 26687 80061