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89010842 = 244505421
BaseRepresentation
bin1010100111000…
…11001010011010
320012111012220212
411103203022122
5140241321332
612455451122
72130402554
oct523431232
9205435825
1089010842
1146276188
1225986aa2
131559694b
14bb704d4
157c338b2
hex54e329a

89010842 has 4 divisors (see below), whose sum is σ = 133516266. Its totient is φ = 44505420.

The previous prime is 89010841. The next prime is 89010847. The reversal of 89010842 is 24801098.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 88943761 + 67081 = 9431^2 + 259^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89010799 and 89010808.

It is not an unprimeable number, because it can be changed into a prime (89010841) by changing a digit.

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 as a sum of consecutive naturals, namely, 22252709 + ... + 22252712.

Almost surely, 289010842 is an apocalyptic number.

89010842 is a deficient number, since it is larger than the sum of its proper divisors (44505424).

89010842 is a wasteful number, since it uses less digits than its factorization.

89010842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44505423.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 89010842 is about 9434.5557394082. Note that the first 3 decimals coincide. The cubic root of 89010842 is about 446.4926386973.

The spelling of 89010842 in words is "eighty-nine million, ten thousand, eight hundred forty-two".

Divisors: 1 2 44505421 89010842