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89477864 = 2371597819
BaseRepresentation
bin1010101010101…
…01001011101000
320020100221112222
411111111023220
5140401242424
612513453212
72134356260
oct525251350
9206327488
1089477864
1146565053
1225b71208
13156cb3a8
14bc527a0
157cc6e5e
hex55552e8

89477864 has 16 divisors (see below), whose sum is σ = 191738400. Its totient is φ = 38347632.

The previous prime is 89477863. The next prime is 89477917. The reversal of 89477864 is 46877498.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (89477863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 798854 + ... + 798965.

It is an arithmetic number, because the mean of its divisors is an integer number (11983650).

Almost surely, 289477864 is an apocalyptic number.

It is an amenable number.

89477864 is an abundant number, since it is smaller than the sum of its proper divisors (102260536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89477864 is a wasteful number, since it uses less digits than its factorization.

89477864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597832 (or 1597828 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 89477864 is about 9459.2739679111. The cubic root of 89477864 is about 447.2721626630.

The spelling of 89477864 in words is "eighty-nine million, four hundred seventy-seven thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 1597819 3195638 6391276 11184733 12782552 22369466 44738932 89477864