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89544091 = 7132713631
BaseRepresentation
bin1010101011001…
…01010110011011
320020111022101211
411111211112123
5140410402331
612515123551
72135053330
oct525452633
9206438354
1089544091
11465aa88a
1225ba35b7
1315722590
14bc6c987
157cdb8b1
hex556559b

89544091 has 16 divisors (see below), whose sum is σ = 110645248. Its totient is φ = 70567200.

The previous prime is 89544079. The next prime is 89544097. The reversal of 89544091 is 19044598.

It is a cyclic number.

It is not a de Polignac number, because 89544091 - 29 = 89543579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89544097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22846 + ... + 26476.

It is an arithmetic number, because the mean of its divisors is an integer number (6915328).

Almost surely, 289544091 is an apocalyptic number.

89544091 is a deficient number, since it is larger than the sum of its proper divisors (21101157).

89544091 is a wasteful number, since it uses less digits than its factorization.

89544091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 89544091 is about 9462.7739590460. The cubic root of 89544091 is about 447.3824848779.

The spelling of 89544091 in words is "eighty-nine million, five hundred forty-four thousand, ninety-one".

Divisors: 1 7 13 91 271 1897 3523 3631 24661 25417 47203 330421 984001 6888007 12792013 89544091