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80460047 is a prime number
BaseRepresentation
bin1001100101110…
…11100100001111
312121101210102202
410302323210033
5131044210142
611552312115
71664620253
oct462734417
9177353382
1080460047
1141465908
1222b4263b
13138918c5
14a986263
1570e5032
hex4cbb90f

80460047 has 2 divisors, whose sum is σ = 80460048. Its totient is φ = 80460046.

The previous prime is 80460043. The next prime is 80460053. The reversal of 80460047 is 74006408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80460047 - 22 = 80460043 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80460043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40230023 + 40230024.

It is an arithmetic number, because the mean of its divisors is an integer number (40230024).

Almost surely, 280460047 is an apocalyptic number.

80460047 is a deficient number, since it is larger than the sum of its proper divisors (1).

80460047 is an equidigital number, since it uses as much as digits as its factorization.

80460047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 80460047 is about 8969.9524524938. The cubic root of 80460047 is about 431.7113108238.

The spelling of 80460047 in words is "eighty million, four hundred sixty thousand, forty-seven".