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89612061 = 37111093559
BaseRepresentation
bin1010101011101…
…01111100011101
320020121202122020
411111311330131
5140420041221
612520410353
72135455440
oct525657435
9206552566
1089612061
1146646960
12260169b9
13157474b6
14bc89657
157d01ac6
hex5575f1d

89612061 has 32 divisors (see below), whose sum is σ = 150374400. Its totient is φ = 46111680.

The previous prime is 89612057. The next prime is 89612063. The reversal of 89612061 is 16021698.

It is not a de Polignac number, because 89612061 - 22 = 89612057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89612063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23400 + ... + 26958.

It is an arithmetic number, because the mean of its divisors is an integer number (4699200).

Almost surely, 289612061 is an apocalyptic number.

It is an amenable number.

89612061 is a deficient number, since it is larger than the sum of its proper divisors (60762339).

89612061 is a wasteful number, since it uses less digits than its factorization.

89612061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 89612061 is about 9466.3647193630. The cubic root of 89612061 is about 447.4956540676.

The spelling of 89612061 in words is "eighty-nine million, six hundred twelve thousand, sixty-one".

Divisors: 1 3 7 11 21 33 77 109 231 327 763 1199 2289 3559 3597 8393 10677 24913 25179 39149 74739 117447 274043 387931 822129 1163793 2715517 4267241 8146551 12801723 29870687 89612061