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84469419 = 3321114827
BaseRepresentation
bin1010000100011…
…10011010101011
312212221111021000
411002032122223
5133111010134
612214250043
72043656346
oct502163253
9185844230
1084469419
1143754141
1224356923
1314666808
14b30b45d
157637e99
hex508e6ab

84469419 has 16 divisors (see below), whose sum is σ = 125741440. Its totient is φ = 56042280.

The previous prime is 84469369. The next prime is 84469423. The reversal of 84469419 is 91496448.

It is not a de Polignac number, because 84469419 - 27 = 84469291 is a prime.

It is a super-2 number, since 2×844694192 = 14270165492395122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84469219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1717 + ... + 13110.

It is an arithmetic number, because the mean of its divisors is an integer number (7858840).

Almost surely, 284469419 is an apocalyptic number.

84469419 is a deficient number, since it is larger than the sum of its proper divisors (41272021).

84469419 is a wasteful number, since it uses less digits than its factorization.

84469419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15047 (or 15041 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 84469419 is about 9190.7246177872. The cubic root of 84469419 is about 438.7662043836.

The spelling of 84469419 in words is "eighty-four million, four hundred sixty-nine thousand, four hundred nineteen".

Divisors: 1 3 9 27 211 633 1899 5697 14827 44481 133443 400329 3128497 9385491 28156473 84469419