Search a number
-
+
80800093 = 117345463
BaseRepresentation
bin1001101000011…
…10100101011101
312122001001220001
410310032211131
5131141100333
612003454301
72000534533
oct464164535
9178031801
1080800093
1141678340
1223087391
131398060a
14aa34153
157160b7d
hex4d0e95d

80800093 has 4 divisors (see below), whose sum is σ = 88145568. Its totient is φ = 73454620.

The previous prime is 80800073. The next prime is 80800121. The reversal of 80800093 is 39000808.

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 80800093 - 29 = 80799581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80800033) 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, 3672721 + ... + 3672742.

It is an arithmetic number, because the mean of its divisors is an integer number (22036392).

Almost surely, 280800093 is an apocalyptic number.

It is an amenable number.

80800093 is a deficient number, since it is larger than the sum of its proper divisors (7345475).

80800093 is a wasteful number, since it uses less digits than its factorization.

80800093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7345474.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 80800093 is about 8988.8871947533. The cubic root of 80800093 is about 432.3186324537.

The spelling of 80800093 in words is "eighty million, eight hundred thousand, ninety-three".

Divisors: 1 11 7345463 80800093