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89161692 = 2237430141
BaseRepresentation
bin1010101000001…
…11111111011100
320012202212211220
411110013333130
5140311133232
612503013340
72131601424
oct524077734
9205685756
1089161692
1146369554
1225a3a250
131561a4c9
14bbad484
157c6342c
hex5507fdc

89161692 has 12 divisors (see below), whose sum is σ = 208043976. Its totient is φ = 29720560.

The previous prime is 89161643. The next prime is 89161693. The reversal of 89161692 is 29616198.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89161693) 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, 3715059 + ... + 3715082.

It is an arithmetic number, because the mean of its divisors is an integer number (17336998).

Almost surely, 289161692 is an apocalyptic number.

It is an amenable number.

89161692 is an abundant number, since it is smaller than the sum of its proper divisors (118882284).

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

89161692 is a wasteful number, since it uses less digits than its factorization.

89161692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7430148 (or 7430146 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 89161692 is about 9442.5469021869. The cubic root of 89161692 is about 446.7447255968.

The spelling of 89161692 in words is "eighty-nine million, one hundred sixty-one thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 7430141 14860282 22290423 29720564 44580846 89161692