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80503271 is a prime number
BaseRepresentation
bin1001100110001…
…10000111100111
312121110222201122
410303012013213
5131102101041
611553244155
71665160262
oct463060747
9177428648
1080503271
1141495332
1222b6365b
13138a8494
14a997cd9
157102c4b
hex4cc61e7

80503271 has 2 divisors, whose sum is σ = 80503272. Its totient is φ = 80503270.

The previous prime is 80503219. The next prime is 80503303. The reversal of 80503271 is 17230508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80503271 - 26 = 80503207 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80503271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80503201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40251635 + 40251636.

It is an arithmetic number, because the mean of its divisors is an integer number (40251636).

Almost surely, 280503271 is an apocalyptic number.

80503271 is a deficient number, since it is larger than the sum of its proper divisors (1).

80503271 is an equidigital number, since it uses as much as digits as its factorization.

80503271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 80503271 is about 8972.3615063148. The cubic root of 80503271 is about 431.7886036331.

Adding to 80503271 its reverse (17230508), we get a palindrome (97733779).

The spelling of 80503271 in words is "eighty million, five hundred three thousand, two hundred seventy-one".