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80446089 = 326815363
BaseRepresentation
bin1001100101110…
…00001010001001
312121101002021210
410302320022021
5131043233324
611552123333
71664531463
oct462701211
9177332253
1080446089
1141456379
1222b36549
1313888449
14a981133
1570e0d29
hex4cb8289

80446089 has 4 divisors (see below), whose sum is σ = 107261456. Its totient is φ = 53630724.

The previous prime is 80446061. The next prime is 80446099. The reversal of 80446089 is 98064408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 80446089 - 219 = 79921801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80446099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13407679 + ... + 13407684.

It is an arithmetic number, because the mean of its divisors is an integer number (26815364).

Almost surely, 280446089 is an apocalyptic number.

It is an amenable number.

80446089 is a deficient number, since it is larger than the sum of its proper divisors (26815367).

80446089 is a wasteful number, since it uses less digits than its factorization.

80446089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26815366.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 80446089 is about 8969.1743767194. The cubic root of 80446089 is about 431.6863453278.

The spelling of 80446089 in words is "eighty million, four hundred forty-six thousand, eighty-nine".

Divisors: 1 3 26815363 80446089