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89875479 = 3313726119
BaseRepresentation
bin1010101101101…
…10010000010111
320021010010222110
411112312100113
5141002003404
612530202103
72140633431
oct526662027
9207103873
1089875479
1146806861
1226123333
131580a375
14bd17651
157d54b89
hex55b6417

89875479 has 16 divisors (see below), whose sum is σ = 127047680. Its totient is φ = 56414880.

The previous prime is 89875463. The next prime is 89875507. The reversal of 89875479 is 97457898.

It is not a de Polignac number, because 89875479 - 24 = 89875463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89875679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9619 + ... + 16500.

It is an arithmetic number, because the mean of its divisors is an integer number (7940480).

Almost surely, 289875479 is an apocalyptic number.

89875479 is a deficient number, since it is larger than the sum of its proper divisors (37172201).

89875479 is a wasteful number, since it uses less digits than its factorization.

89875479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26190.

The product of its digits is 5080320, while the sum is 57.

The square root of 89875479 is about 9480.2678759622. The cubic root of 89875479 is about 447.9337018575.

The spelling of 89875479 in words is "eighty-nine million, eight hundred seventy-five thousand, four hundred seventy-nine".

Divisors: 1 3 31 37 93 111 1147 3441 26119 78357 809689 966403 2429067 2899209 29958493 89875479