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84906069 = 330792189
BaseRepresentation
bin1010000111110…
…01000001010101
312220202200020020
411003321001111
5133213443234
612231455353
72050455363
oct503710125
9186680206
1084906069
1143a22206
1224527559
131478a4a1
14b3c2633
1576c2549
hex50f9055

84906069 has 8 divisors (see below), whose sum is σ = 113578080. Its totient is φ = 56419056.

The previous prime is 84906067. The next prime is 84906077. The reversal of 84906069 is 96060948.

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

It is not a de Polignac number, because 84906069 - 21 = 84906067 is a prime.

It is a super-2 number, since 2×849060692 = 14418081106065522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 84906069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84906061) 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, 45174 + ... + 47015.

It is an arithmetic number, because the mean of its divisors is an integer number (14197260).

Almost surely, 284906069 is an apocalyptic number.

It is an amenable number.

84906069 is a deficient number, since it is larger than the sum of its proper divisors (28672011).

84906069 is a wasteful number, since it uses less digits than its factorization.

84906069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92499.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 84906069 is about 9214.4489254648. The cubic root of 84906069 is about 439.5209472816.

The spelling of 84906069 in words is "eighty-four million, nine hundred six thousand, sixty-nine".

Divisors: 1 3 307 921 92189 276567 28302023 84906069