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84419343 = 3210219187
BaseRepresentation
bin1010000100000…
…10001100001111
312212211221120100
411002002030033
5133102404333
612213222143
72043360351
oct502021417
9185757510
1084419343
114371a558
1224331953
1314649a98
14b2d70d1
157628213
hex508230f

84419343 has 12 divisors (see below), whose sum is σ = 122071768. Its totient is φ = 56218320.

The previous prime is 84419273. The next prime is 84419353. The reversal of 84419343 is 34391448.

It is a Cunningham number, because it is equal to 91882-1.

It is not a de Polignac number, because 84419343 - 210 = 84418319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84419298 and 84419307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84419353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4596 + ... + 13782.

Almost surely, 284419343 is an apocalyptic number.

84419343 is a deficient number, since it is larger than the sum of its proper divisors (37652425).

84419343 is a wasteful number, since it uses less digits than its factorization.

84419343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10214 (or 10211 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 84419343 is about 9187.9999455812. Note that the first 4 decimals coincide. The cubic root of 84419343 is about 438.6794826644.

The spelling of 84419343 in words is "eighty-four million, four hundred nineteen thousand, three hundred forty-three".

Divisors: 1 3 9 1021 3063 9187 9189 27561 82683 9379927 28139781 84419343