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89308984 = 2311163623
BaseRepresentation
bin1010101001010…
…11111100111000
320020001100220011
411110223330320
5140330341414
612510111304
72133054022
oct524537470
9206040804
1089308984
114645a186
1225aab534
131566c56b
14bc0b012
157c91dc4
hex552bf38

89308984 has 8 divisors (see below), whose sum is σ = 167454360. Its totient is φ = 44654488.

The previous prime is 89308981. The next prime is 89309039. The reversal of 89308984 is 48980398.

It is a happy number.

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

It is a super-2 number, since 2×893089842 = 15952189246224512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89308981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5581804 + ... + 5581819.

It is an arithmetic number, because the mean of its divisors is an integer number (20931795).

Almost surely, 289308984 is an apocalyptic number.

It is an amenable number.

89308984 is a deficient number, since it is larger than the sum of its proper divisors (78145376).

89308984 is a wasteful number, since it uses less digits than its factorization.

89308984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163629 (or 11163625 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 89308984 is about 9450.3430625560. The cubic root of 89308984 is about 446.9905924847.

The spelling of 89308984 in words is "eighty-nine million, three hundred eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 11163623 22327246 44654492 89308984