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89057858 = 266732
BaseRepresentation
bin1010100111011…
…10101001000010
320012120121102012
411103232221002
5140244322413
612500452522
72130656621
oct523565102
9205517365
1089057858
11462a853a
12259aa142
13155b2176
14bb836b8
157c427a8
hex54eea42

89057858 has 6 divisors (see below), whose sum is σ = 133606809. Its totient is φ = 44522256.

The previous prime is 89057851. The next prime is 89057893. The reversal of 89057858 is 85875098.

It can be written as a sum of positive squares in 2 ways, for example, as 61105489 + 27952369 = 7817^2 + 5287^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=6673.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89057851) 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 in 2 ways as a sum of consecutive naturals, for example, 10010 + ... + 16682.

Almost surely, 289057858 is an apocalyptic number.

89057858 is a deficient number, since it is larger than the sum of its proper divisors (44548951).

89057858 is an frugal number, since it uses more digits than its factorization.

89057858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348 (or 6675 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 50.

The square root of 89057858 is about 9437.0471017157. The cubic root of 89057858 is about 446.5712381220.

Multiplying 89057858 by its sum of digits (50), we get a square (4452892900 = 667302).

The spelling of 89057858 in words is "eighty-nine million, fifty-seven thousand, eight hundred fifty-eight".

Divisors: 1 2 6673 13346 44528929 89057858