Search a number
-
+
80705333 = 591367887
BaseRepresentation
bin1001100111101…
…11011100110101
312121212020220102
410303313130311
5131130032313
612001443445
71666661342
oct463673465
9177766812
1080705333
1141613125
1223040585
1313949447
14aa0b7c9
157142a58
hex4cf7735

80705333 has 4 divisors (see below), whose sum is σ = 82073280. Its totient is φ = 79337388.

The previous prime is 80705327. The next prime is 80705351. The reversal of 80705333 is 33350708.

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 80705333 - 26 = 80705269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80705296 and 80705305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80705323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683885 + ... + 684002.

It is an arithmetic number, because the mean of its divisors is an integer number (20518320).

Almost surely, 280705333 is an apocalyptic number.

It is an amenable number.

80705333 is a deficient number, since it is larger than the sum of its proper divisors (1367947).

80705333 is a wasteful number, since it uses less digits than its factorization.

80705333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367946.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 80705333 is about 8983.6146956556. The cubic root of 80705333 is about 432.1495627686.

The spelling of 80705333 in words is "eighty million, seven hundred five thousand, three hundred thirty-three".

Divisors: 1 59 1367887 80705333