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89719892 = 2235363541
BaseRepresentation
bin1010101100100…
…00010001010100
320020211020112222
411112100101110
5140432014032
612523001512
72136415013
oct526202124
9206736488
1089719892
114670a979
1226069298
13157845c2
14bcb6a7a
157d23a12
hex5590454

89719892 has 12 divisors (see below), whose sum is σ = 157457076. Its totient is φ = 44732160.

The previous prime is 89719891. The next prime is 89719951. The reversal of 89719892 is 29891798.

It can be written as a sum of positive squares in 2 ways, for example, as 56010256 + 33709636 = 7484^2 + 5806^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89719891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30359 + ... + 33182.

It is an arithmetic number, because the mean of its divisors is an integer number (13121423).

Almost surely, 289719892 is an apocalyptic number.

It is an amenable number.

89719892 is a deficient number, since it is larger than the sum of its proper divisors (67737184).

89719892 is a wasteful number, since it uses less digits than its factorization.

89719892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63898 (or 63896 counting only the distinct ones).

The product of its digits is 653184, while the sum is 53.

The square root of 89719892 is about 9472.0584879951. The cubic root of 89719892 is about 447.6750739712.

The spelling of 89719892 in words is "eighty-nine million, seven hundred nineteen thousand, eight hundred ninety-two".

Divisors: 1 2 4 353 706 1412 63541 127082 254164 22429973 44859946 89719892