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80454287 is a prime number
BaseRepresentation
bin1001100101110…
…10001010001111
312121101111112102
410302322022033
5131044014122
611552225315
71664564414
oct462721217
9177344472
1080454287
1141461551
1222b3b23b
131388c0b4
14a98410b
1570e3492
hex4cba28f

80454287 has 2 divisors, whose sum is σ = 80454288. Its totient is φ = 80454286.

The previous prime is 80454281. The next prime is 80454301. The reversal of 80454287 is 78245408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80454287 - 212 = 80450191 is a 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 80454287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80454281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40227143 + 40227144.

It is an arithmetic number, because the mean of its divisors is an integer number (40227144).

Almost surely, 280454287 is an apocalyptic number.

80454287 is a deficient number, since it is larger than the sum of its proper divisors (1).

80454287 is an equidigital number, since it uses as much as digits as its factorization.

80454287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 80454287 is about 8969.6313748113. The cubic root of 80454287 is about 431.7010087481.

The spelling of 80454287 in words is "eighty million, four hundred fifty-four thousand, two hundred eighty-seven".