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89285911 = 1113248029
BaseRepresentation
bin1010101001001…
…10010100010111
320020000012020121
411110212110113
5140324122121
612505412411
72132626531
oct524462427
9206005217
1089285911
1146443910
1225a9a107
1315661c00
14bc02851
157c8a141
hex5526517

89285911 has 12 divisors (see below), whose sum is σ = 105473880. Its totient is φ = 74923680.

The previous prime is 89285891. The next prime is 89285929. The reversal of 89285911 is 11958298.

It is not a de Polignac number, because 89285911 - 217 = 89154839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89285941) 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 11 ways as a sum of consecutive naturals, for example, 22156 + ... + 25873.

It is an arithmetic number, because the mean of its divisors is an integer number (8789490).

Almost surely, 289285911 is an apocalyptic number.

89285911 is a deficient number, since it is larger than the sum of its proper divisors (16187969).

89285911 is a wasteful number, since it uses less digits than its factorization.

89285911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48066 (or 48053 counting only the distinct ones).

The product of its digits is 51840, while the sum is 43.

The square root of 89285911 is about 9449.1222343665. The cubic root of 89285911 is about 446.9520957894.

It can be divided in two parts, 89285 and 911, that multiplied together give a triangular number (81338635 = T12754).

The spelling of 89285911 in words is "eighty-nine million, two hundred eighty-five thousand, nine hundred eleven".

Divisors: 1 11 13 143 169 1859 48029 528319 624377 6868147 8116901 89285911