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89775055 = 5160711173
BaseRepresentation
bin1010101100111…
…01101111001111
320020221001020001
411112131233033
5140440300210
612524105131
72140034566
oct526355717
9206831201
1089775055
1146748367
12260951a7
13157a3746
14bcccbdd
157d3503a
hex559dbcf

89775055 has 8 divisors (see below), whose sum is σ = 107806752. Its totient is φ = 71768928.

The previous prime is 89775053. The next prime is 89775071. The reversal of 89775055 is 55057798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89775055 - 21 = 89775053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89774996 and 89775014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89775053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2449 + ... + 13621.

It is an arithmetic number, because the mean of its divisors is an integer number (13475844).

Almost surely, 289775055 is an apocalyptic number.

89775055 is a deficient number, since it is larger than the sum of its proper divisors (18031697).

89775055 is a wasteful number, since it uses less digits than its factorization.

89775055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785.

The product of its (nonzero) digits is 441000, while the sum is 46.

The square root of 89775055 is about 9474.9699207966. The cubic root of 89775055 is about 447.7668040589.

The spelling of 89775055 in words is "eighty-nine million, seven hundred seventy-five thousand, fifty-five".

Divisors: 1 5 1607 8035 11173 55865 17955011 89775055