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80988263 is a prime number
BaseRepresentation
bin1001101001111…
…00100001100111
312122101122000022
410310330201213
5131213111023
612011505355
72002250246
oct464744147
9178348008
1080988263
1141796754
122315825b
1313a18165
14aa8295d
15719b7c8
hex4d3c867

80988263 has 2 divisors, whose sum is σ = 80988264. Its totient is φ = 80988262.

The previous prime is 80988253. The next prime is 80988311. The reversal of 80988263 is 36288908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80988263 - 220 = 79939687 is a prime.

It is a super-3 number, since 3×809882633 (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80988223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40494131 + 40494132.

It is an arithmetic number, because the mean of its divisors is an integer number (40494132).

Almost surely, 280988263 is an apocalyptic number.

80988263 is a deficient number, since it is larger than the sum of its proper divisors (1).

80988263 is an equidigital number, since it uses as much as digits as its factorization.

80988263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 80988263 is about 8999.3479208218. The cubic root of 80988263 is about 432.6539717084.

It can be divided in two parts, 8098 and 8263, that added together give a palindrome (16361).

The spelling of 80988263 in words is "eighty million, nine hundred eighty-eight thousand, two hundred sixty-three".