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89805448 = 2311225681
BaseRepresentation
bin1010101101001…
…01001010001000
320020222120220201
411112211022020
5140442233243
612524501544
72140222315
oct526451210
9206876821
1089805448
1146769187
12260aa8b4
13157b4525
14bcd9d0c
157d3e04d
hex55a5288

89805448 has 8 divisors (see below), whose sum is σ = 168385230. Its totient is φ = 44902720.

The previous prime is 89805439. The next prime is 89805451. The reversal of 89805448 is 84450898.

It can be written as a sum of positive squares in only one way, i.e., 82846404 + 6959044 = 9102^2 + 2638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 89805398 and 89805407.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5612833 + ... + 5612848.

Almost surely, 289805448 is an apocalyptic number.

It is an amenable number.

89805448 is a deficient number, since it is larger than the sum of its proper divisors (78579782).

89805448 is a wasteful number, since it uses less digits than its factorization.

89805448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11225687 (or 11225683 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 89805448 is about 9476.5736424089. The cubic root of 89805448 is about 447.8173282682.

The spelling of 89805448 in words is "eighty-nine million, eight hundred five thousand, four hundred forty-eight".

Divisors: 1 2 4 8 11225681 22451362 44902724 89805448