Search a number
-
+
80075255 = 5134130047
BaseRepresentation
bin1001100010111…
…01100111110111
312120200020121012
410301131213313
5130444402010
611540142435
71661425361
oct461354767
9176606535
1080075255
11412227a7
1222997a1b
1313788710
14a8c5d31
15706b005
hex4c5d9f7

80075255 has 16 divisors (see below), whose sum is σ = 106009344. Its totient is φ = 57688320.

The previous prime is 80075243. The next prime is 80075257. The reversal of 80075255 is 55257008.

It is a happy number.

It is not a de Polignac number, because 80075255 - 210 = 80074231 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 (80075257) 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 15 ways as a sum of consecutive naturals, for example, 12359 + ... + 17688.

It is an arithmetic number, because the mean of its divisors is an integer number (6625584).

Almost surely, 280075255 is an apocalyptic number.

80075255 is a deficient number, since it is larger than the sum of its proper divisors (25934089).

80075255 is a wasteful number, since it uses less digits than its factorization.

80075255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30106.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 80075255 is about 8948.4778035150. The cubic root of 80075255 is about 431.0220056486.

The spelling of 80075255 in words is "eighty million, seventy-five thousand, two hundred fifty-five".

Divisors: 1 5 13 41 65 205 533 2665 30047 150235 390611 1231927 1953055 6159635 16015051 80075255