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80882105 = 521317591
BaseRepresentation
bin1001101001000…
…10100110111001
312122012020101112
410310202212321
5131201211410
612005330105
72001325613
oct464424671
9178166345
1080882105
1141723a17
1223106935
13139aba45
14aa55db3
15717a105
hex4d229b9

80882105 has 8 divisors (see below), whose sum is σ = 97116864. Its totient is φ = 64666800.

The previous prime is 80882083. The next prime is 80882119. The reversal of 80882105 is 50128808.

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

It is not a de Polignac number, because 80882105 - 28 = 80881849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6860 + ... + 14450.

It is an arithmetic number, because the mean of its divisors is an integer number (12139608).

Almost surely, 280882105 is an apocalyptic number.

It is an amenable number.

80882105 is a deficient number, since it is larger than the sum of its proper divisors (16234759).

80882105 is a wasteful number, since it uses less digits than its factorization.

80882105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 80882105 is about 8993.4478927717. The cubic root of 80882105 is about 432.4648506301.

The spelling of 80882105 in words is "eighty million, eight hundred eighty-two thousand, one hundred five".

Divisors: 1 5 2131 7591 10655 37955 16176421 80882105