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84468689 = 1074871621
BaseRepresentation
bin1010000100011…
…10001111010001
312212221110020222
411002032033101
5133110444224
612214242425
72043654254
oct502161721
9185843228
1084468689
1143753638
1224356415
1314666396
14b30b09b
157637b5e
hex508e3d1

84468689 has 8 divisors (see below), whose sum is σ = 85485888. Its totient is φ = 83455920.

The previous prime is 84468679. The next prime is 84468731. The reversal of 84468689 is 98686448.

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-84468689 is a prime.

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 84468689.

It is not an unprimeable number, because it can be changed into a prime (84468679) 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, 51299 + ... + 52919.

It is an arithmetic number, because the mean of its divisors is an integer number (10685736).

Almost surely, 284468689 is an apocalyptic number.

It is an amenable number.

84468689 is a deficient number, since it is larger than the sum of its proper divisors (1017199).

84468689 is a wasteful number, since it uses less digits than its factorization.

84468689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215.

The product of its digits is 2654208, while the sum is 53.

The square root of 84468689 is about 9190.6849037490. The cubic root of 84468689 is about 438.7649404143.

The spelling of 84468689 in words is "eighty-four million, four hundred sixty-eight thousand, six hundred eighty-nine".

Divisors: 1 107 487 1621 52109 173447 789427 84468689