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89049745 = 541434389
BaseRepresentation
bin1010100111011…
…00101010010001
320012120012021201
411103230222101
5140244042440
612500351201
72130624151
oct523545221
9205505251
1089049745
11462a2434
12259a5501
13155ab575
14bb80761
157c4019a
hex54eca91

89049745 has 8 divisors (see below), whose sum is σ = 109466280. Its totient is φ = 69502080.

The previous prime is 89049679. The next prime is 89049769. The reversal of 89049745 is 54794098.

It can be written as a sum of positive squares in 4 ways, for example, as 2634129 + 86415616 = 1623^2 + 9296^2 .

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

It is not a de Polignac number, because 89049745 - 27 = 89049617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89049695 and 89049704.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 216990 + ... + 217399.

It is an arithmetic number, because the mean of its divisors is an integer number (13683285).

Almost surely, 289049745 is an apocalyptic number.

It is an amenable number.

89049745 is a deficient number, since it is larger than the sum of its proper divisors (20416535).

89049745 is a wasteful number, since it uses less digits than its factorization.

89049745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434435.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 89049745 is about 9436.6172434830. The cubic root of 89049745 is about 446.5576771158.

The spelling of 89049745 in words is "eighty-nine million, forty-nine thousand, seven hundred forty-five".

Divisors: 1 5 41 205 434389 2171945 17809949 89049745