Search a number
-
+
80839075 = 523233563
BaseRepresentation
bin1001101000110…
…00000110100011
312122010001100211
410310120012203
5131143322300
612004354551
72001056302
oct464300643
9178101324
1080839075
11416a4659
12230a5a57
1313995295
14aa44439
15716c4ba
hex4d181a3

80839075 has 6 divisors (see below), whose sum is σ = 100240484. Its totient is φ = 64671240.

The previous prime is 80839069. The next prime is 80839079. The reversal of 80839075 is 57093808.

It is not a de Polignac number, because 80839075 - 23 = 80839067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80839079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1616757 + ... + 1616806.

Almost surely, 280839075 is an apocalyptic number.

80839075 is a deficient number, since it is larger than the sum of its proper divisors (19401409).

80839075 is a wasteful number, since it uses less digits than its factorization.

80839075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233573 (or 3233568 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 80839075 is about 8991.0552773298. The cubic root of 80839075 is about 432.3881453088.

The spelling of 80839075 in words is "eighty million, eight hundred thirty-nine thousand, seventy-five".

Divisors: 1 5 25 3233563 16167815 80839075