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89609443 = 7111163759
BaseRepresentation
bin1010101011101…
…01010011100011
320020121122001021
411111311103203
5140420000233
612520350311
72135445010
oct525652343
9206548037
1089609443
11466449a0
1226015397
1315746251
14bc88707
157d00e2d
hex55754e3

89609443 has 8 divisors (see below), whose sum is σ = 111720960. Its totient is φ = 69825480.

The previous prime is 89609441. The next prime is 89609459. The reversal of 89609443 is 34490698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89609443 - 21 = 89609441 is a prime.

It is a super-3 number, since 3×896094433 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89609443.

It is not an unprimeable number, because it can be changed into a prime (89609441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581803 + ... + 581956.

It is an arithmetic number, because the mean of its divisors is an integer number (13965120).

Almost surely, 289609443 is an apocalyptic number.

89609443 is a deficient number, since it is larger than the sum of its proper divisors (22111517).

89609443 is a wasteful number, since it uses less digits than its factorization.

89609443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163777.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 89609443 is about 9466.2264392946. The cubic root of 89609443 is about 447.4912961906.

The spelling of 89609443 in words is "eighty-nine million, six hundred nine thousand, four hundred forty-three".

Divisors: 1 7 11 77 1163759 8146313 12801349 89609443