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89989112 = 2311248639
BaseRepresentation
bin1010101110100…
…01111111111000
320021022220212002
411113101333320
5141014122422
612532440132
72141615633
oct527217770
9207286762
1089989112
1146884174
1226179048
1315849cc5
14bd46c1a
157d78692
hex55d1ff8

89989112 has 8 divisors (see below), whose sum is σ = 168729600. Its totient is φ = 44994552.

The previous prime is 89989099. The next prime is 89989121. The reversal of 89989112 is 21198998.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5624312 + ... + 5624327.

It is an arithmetic number, because the mean of its divisors is an integer number (21091200).

Almost surely, 289989112 is an apocalyptic number.

It is an amenable number.

89989112 is a deficient number, since it is larger than the sum of its proper divisors (78740488).

89989112 is a wasteful number, since it uses less digits than its factorization.

89989112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248645 (or 11248641 counting only the distinct ones).

The product of its digits is 93312, while the sum is 47.

The square root of 89989112 is about 9486.2591151623. The cubic root of 89989112 is about 448.1224022473.

The spelling of 89989112 in words is "eighty-nine million, nine hundred eighty-nine thousand, one hundred twelve".

Divisors: 1 2 4 8 11248639 22497278 44994556 89989112