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80466671 = 613131267
BaseRepresentation
bin1001100101111…
…01001011101111
312121102010112002
410302331023233
5131044413141
611552402515
71664645465
oct462751357
9177363462
1080466671
114146a88a
1222b4643b
131389491c
14a988835
1570e6e9b
hex4cbd2ef

80466671 has 4 divisors (see below), whose sum is σ = 80598552. Its totient is φ = 80334792.

The previous prime is 80466647. The next prime is 80466713. The reversal of 80466671 is 17666408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80466671 - 210 = 80465647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80466611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65021 + ... + 66246.

It is an arithmetic number, because the mean of its divisors is an integer number (20149638).

Almost surely, 280466671 is an apocalyptic number.

80466671 is a deficient number, since it is larger than the sum of its proper divisors (131881).

80466671 is a wasteful number, since it uses less digits than its factorization.

80466671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131880.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 80466671 is about 8970.3216776212. The cubic root of 80466671 is about 431.7231576031.

The spelling of 80466671 in words is "eighty million, four hundred sixty-six thousand, six hundred seventy-one".

Divisors: 1 613 131267 80466671