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80470727 is a prime number
BaseRepresentation
bin1001100101111…
…10001011000111
312121102100002022
410302332023013
5131100030402
611552433355
71664663351
oct462761307
9177370068
1080470727
1141472937
1222b4885b
131389671c
14a98a0d1
1570e82a2
hex4cbe2c7

80470727 has 2 divisors, whose sum is σ = 80470728. Its totient is φ = 80470726.

The previous prime is 80470723. The next prime is 80470729. The reversal of 80470727 is 72707408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80470727 - 22 = 80470723 is a prime.

Together with 80470729, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80470723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40235363 + 40235364.

It is an arithmetic number, because the mean of its divisors is an integer number (40235364).

Almost surely, 280470727 is an apocalyptic number.

80470727 is a deficient number, since it is larger than the sum of its proper divisors (1).

80470727 is an equidigital number, since it uses as much as digits as its factorization.

80470727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 80470727 is about 8970.5477536213. The cubic root of 80470727 is about 431.7304112883.

The spelling of 80470727 in words is "eighty million, four hundred seventy thousand, seven hundred twenty-seven".