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89089284 = 2237424107
BaseRepresentation
bin1010100111101…
…10010100000100
320012122012112010
411103312110010
5140301324114
612501254220
72131150344
oct523662404
9205565463
1089089284
114631a109
1225a04370
13155c356b
14bb90d24
157c4bc59
hex54f6504

89089284 has 12 divisors (see below), whose sum is σ = 207875024. Its totient is φ = 29696424.

The previous prime is 89089283. The next prime is 89089331. The reversal of 89089284 is 48298098.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (89089283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3712042 + ... + 3712065.

Almost surely, 289089284 is an apocalyptic number.

It is an amenable number.

89089284 is an abundant number, since it is smaller than the sum of its proper divisors (118785740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89089284 is a wasteful number, since it uses less digits than its factorization.

89089284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7424114 (or 7424112 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 89089284 is about 9438.7119884018. The cubic root of 89089284 is about 446.6237593991.

The spelling of 89089284 in words is "eighty-nine million, eighty-nine thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 7424107 14848214 22272321 29696428 44544642 89089284