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89409229 = 7132773547
BaseRepresentation
bin1010101010001…
…00011011001101
320020020110101221
411111010123031
5140342043404
612512203341
72133652210
oct525043315
9206213357
1089409229
1146518528
1225b39551
13156a6090
14bc35777
157cb1954
hex55446cd

89409229 has 16 divisors (see below), whose sum is σ = 110470528. Its totient is φ = 70466112.

The previous prime is 89409227. The next prime is 89409259. The reversal of 89409229 is 92290498.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 89409229 - 21 = 89409227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89409223) 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 15 ways as a sum of consecutive naturals, for example, 23434 + ... + 26980.

It is an arithmetic number, because the mean of its divisors is an integer number (6904408).

Almost surely, 289409229 is an apocalyptic number.

It is an amenable number.

89409229 is a deficient number, since it is larger than the sum of its proper divisors (21061299).

89409229 is a wasteful number, since it uses less digits than its factorization.

89409229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 89409229 is about 9455.6453507944. The cubic root of 89409229 is about 447.1577716987.

The spelling of 89409229 in words is "eighty-nine million, four hundred nine thousand, two hundred twenty-nine".

Divisors: 1 7 13 91 277 1939 3547 3601 24829 25207 46111 322777 982519 6877633 12772747 89409229