Search a number
-
+
80053071 = 377974783
BaseRepresentation
bin1001100010110…
…00001101001111
312120122010011120
410301120031033
5130443144241
611535452023
71661303610
oct461301517
9176563146
1080053071
114120806a
1222987013
131377b5a7
14a8bbc07
157064666
hex4c5834f

80053071 has 16 divisors (see below), whose sum is σ = 122164224. Its totient is φ = 45677664.

The previous prime is 80053069. The next prime is 80053093. The reversal of 80053071 is 17035008.

It is not a de Polignac number, because 80053071 - 21 = 80053069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80053031) 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 15 ways as a sum of consecutive naturals, for example, 14346 + ... + 19128.

It is an arithmetic number, because the mean of its divisors is an integer number (7635264).

Almost surely, 280053071 is an apocalyptic number.

80053071 is a deficient number, since it is larger than the sum of its proper divisors (42111153).

80053071 is a wasteful number, since it uses less digits than its factorization.

80053071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 80053071 is about 8947.2381772254. The cubic root of 80053071 is about 430.9821986141.

Adding to 80053071 its reverse (17035008), we get a palindrome (97088079).

The spelling of 80053071 in words is "eighty million, fifty-three thousand, seventy-one".

Divisors: 1 3 7 21 797 2391 4783 5579 14349 16737 33481 100443 3812051 11436153 26684357 80053071