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8989193 = 43349599
BaseRepresentation
bin100010010010…
…101000001001
3121220200212002
4202102220021
54300123233
6520400345
7136256363
oct42225011
917820762
108989193
11508a794
1230160b5
131b29765
14129dd33
15bc86e8
hex892a09

8989193 has 8 divisors (see below), whose sum is σ = 9240000. Its totient is φ = 8740368.

The previous prime is 8989153. The next prime is 8989199. The reversal of 8989193 is 3919898.

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 8989193 - 218 = 8727049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8989199) 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, 14708 + ... + 15306.

It is an arithmetic number, because the mean of its divisors is an integer number (1155000).

Almost surely, 28989193 is an apocalyptic number.

It is an amenable number.

8989193 is a deficient number, since it is larger than the sum of its proper divisors (250807).

8989193 is a wasteful number, since it uses less digits than its factorization.

8989193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its digits is 139968, while the sum is 47.

The square root of 8989193 is about 2998.1982923082. The cubic root of 8989193 is about 207.9250916774.

The spelling of 8989193 in words is "eight million, nine hundred eighty-nine thousand, one hundred ninety-three".

Divisors: 1 43 349 599 15007 25757 209051 8989193