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80307 = 328923
BaseRepresentation
bin10011100110110011
311002011100
4103212303
510032212
61415443
7453063
oct234663
9132140
1080307
1155377
123a583
132a726
14213a3
1518bdc
hex139b3

80307 has 6 divisors (see below), whose sum is σ = 116012. Its totient is φ = 53532.

The previous prime is 80287. The next prime is 80309. The reversal of 80307 is 70308.

It is not a de Polignac number, because 80307 - 28 = 80051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80307.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 80307.

It is not an unprimeable number, because it can be changed into a prime (80309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4453 + ... + 4470.

280307 is an apocalyptic number.

80307 is a deficient number, since it is larger than the sum of its proper divisors (35705).

80307 is a wasteful number, since it uses less digits than its factorization.

80307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8929 (or 8926 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 80307 is about 283.3848972687. The cubic root of 80307 is about 43.1437410668.

Subtracting from 80307 its reverse (70308), we obtain a palindrome (9999).

The spelling of 80307 in words is "eighty thousand, three hundred seven".

Divisors: 1 3 9 8923 26769 80307