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80166827 = 1337166667
BaseRepresentation
bin1001100011100…
…11111110101011
312120211220012202
410301303332223
5131010314302
611542130415
71662256346
oct461637653
9176756182
1080166827
1141285584
1222a20a0b
13137bb2c0
14a90b45d
157088202
hex4c73fab

80166827 has 8 divisors (see below), whose sum is σ = 88667376. Its totient is φ = 71999712.

The previous prime is 80166811. The next prime is 80166829. The reversal of 80166827 is 72866108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80166827 - 24 = 80166811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80166829) 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 7 ways as a sum of consecutive naturals, for example, 82853 + ... + 83814.

It is an arithmetic number, because the mean of its divisors is an integer number (11083422).

Almost surely, 280166827 is an apocalyptic number.

80166827 is a deficient number, since it is larger than the sum of its proper divisors (8500549).

80166827 is a wasteful number, since it uses less digits than its factorization.

80166827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166717.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 80166827 is about 8953.5929659551. The cubic root of 80166827 is about 431.1862449474.

The spelling of 80166827 in words is "eighty million, one hundred sixty-six thousand, eight hundred twenty-seven".

Divisors: 1 13 37 481 166667 2166671 6166679 80166827