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89489786 = 2471735503
BaseRepresentation
bin1010101010110…
…00000101111010
320020101112220112
411111120011322
5140402133121
612514024322
72134436111
oct525300572
9206345815
1089489786
1146573001
1225b780a2
1315703949
14bc56c78
157cca75b
hex555817a

89489786 has 16 divisors (see below), whose sum is σ = 137908224. Its totient is φ = 43531824.

The previous prime is 89489773. The next prime is 89489801. The reversal of 89489786 is 68798498.

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, 13511 + ... + 19013.

It is an arithmetic number, because the mean of its divisors is an integer number (8619264).

Almost surely, 289489786 is an apocalyptic number.

89489786 is a deficient number, since it is larger than the sum of its proper divisors (48418438).

89489786 is a wasteful number, since it uses less digits than its factorization.

89489786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725.

The product of its digits is 6967296, while the sum is 59.

The square root of 89489786 is about 9459.9041221357. The cubic root of 89489786 is about 447.2920265775.

The spelling of 89489786 in words is "eighty-nine million, four hundred eighty-nine thousand, seven hundred eighty-six".

Divisors: 1 2 47 94 173 346 5503 8131 11006 16262 258641 517282 952019 1904038 44744893 89489786