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89265887 = 127702881
BaseRepresentation
bin1010101001000…
…01011011011111
320012222011202222
411110201123133
5140323002022
612505135555
72132514254
oct524413337
9205864688
1089265887
114642a867
1225a8a5bb
1315655a69
14bbd942b
157c84242
hex55216df

89265887 has 4 divisors (see below), whose sum is σ = 89968896. Its totient is φ = 88562880.

The previous prime is 89265881. The next prime is 89265907. The reversal of 89265887 is 78856298.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78856298 = 239428149.

It is a cyclic number.

It is not a de Polignac number, because 89265887 - 26 = 89265823 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 (89265881) 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, 351314 + ... + 351567.

It is an arithmetic number, because the mean of its divisors is an integer number (22492224).

Almost surely, 289265887 is an apocalyptic number.

89265887 is a deficient number, since it is larger than the sum of its proper divisors (703009).

89265887 is a wasteful number, since it uses less digits than its factorization.

89265887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703008.

The product of its digits is 1935360, while the sum is 53.

The square root of 89265887 is about 9448.0626056351. The cubic root of 89265887 is about 446.9186808949.

The spelling of 89265887 in words is "eighty-nine million, two hundred sixty-five thousand, eight hundred eighty-seven".

Divisors: 1 127 702881 89265887