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8189045 = 54734847
BaseRepresentation
bin11111001111010001110101
3120102001020222
4133033101311
54044022140
6451304125
7126414524
oct37172165
916361228
108189045
114693607
1228ab045
1319094b7
1411324bb
15abb5b5
hex7cf475

8189045 has 8 divisors (see below), whose sum is σ = 10036224. Its totient is φ = 6411664.

The previous prime is 8189039. The next prime is 8189047. The reversal of 8189045 is 5409818.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8189045 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8188996 and 8189014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8189047) 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, 17189 + ... + 17658.

It is an arithmetic number, because the mean of its divisors is an integer number (1254528).

Almost surely, 28189045 is an apocalyptic number.

It is an amenable number.

8189045 is a deficient number, since it is larger than the sum of its proper divisors (1847179).

8189045 is a wasteful number, since it uses less digits than its factorization.

8189045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34899.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 8189045 is about 2861.6507473834. The cubic root of 8189045 is about 201.5631263526.

The spelling of 8189045 in words is "eight million, one hundred eighty-nine thousand, forty-five".

Divisors: 1 5 47 235 34847 174235 1637809 8189045