Search a number
BaseRepresentation
bin10011101101110001
311002202212
4103231301
510041003
61421505
7454301
oct235561
9132685
1080753
1155742
123a895
132a9aa
1421601
1518dd8
hex13b71

80753 has 4 divisors (see below), whose sum is σ = 84288. Its totient is φ = 77220.

The previous prime is 80749. The next prime is 80761. The reversal of 80753 is 35708.

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 a cyclic number.

It is not a de Polignac number, because 80753 - 22 = 80749 is a prime.

It is a super-3 number, since 3×807533 = 1579782327353331, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 3511 = 80753 / (8 + 0 + 7 + 5 + 3).

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 80753.

It is not an unprimeable number, because it can be changed into a prime (80713) 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, 1733 + ... + 1778.

It is an arithmetic number, because the mean of its divisors is an integer number (21072).

280753 is an apocalyptic number.

It is an amenable number.

80753 is a deficient number, since it is larger than the sum of its proper divisors (3535).

80753 is a wasteful number, since it uses less digits than its factorization.

80753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 80753 is about 284.1707233337. The cubic root of 80753 is about 43.2234626206.

The spelling of 80753 in words is "eighty thousand, seven hundred fifty-three".

Divisors: 1 23 3511 80753