Search a number
-
+
80189073 = 3221142227
BaseRepresentation
bin1001100011110…
…01011010010001
312120220000201200
410301321122101
5131012022243
611542421413
71662411246
oct461713221
9176800650
1080189073
11412a0268
1222a31869
13137c8473
14a9155cd
15708ead3
hex4c79691

80189073 has 12 divisors (see below), whose sum is σ = 116380368. Its totient is φ = 53204760.

The previous prime is 80189069. The next prime is 80189099. The reversal of 80189073 is 37098108.

It is not a de Polignac number, because 80189073 - 22 = 80189069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80189273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19215 + ... + 23012.

It is an arithmetic number, because the mean of its divisors is an integer number (9698364).

Almost surely, 280189073 is an apocalyptic number.

It is an amenable number.

80189073 is a deficient number, since it is larger than the sum of its proper divisors (36191295).

80189073 is a wasteful number, since it uses less digits than its factorization.

80189073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42444 (or 42441 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 80189073 is about 8954.8351743625. The cubic root of 80189073 is about 431.2261254584.

The spelling of 80189073 in words is "eighty million, one hundred eighty-nine thousand, seventy-three".

Divisors: 1 3 9 211 633 1899 42227 126681 380043 8909897 26729691 80189073