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84346385 = 524169997
BaseRepresentation
bin1010000011100…
…00011000010001
312212201020111012
411001300120101
5133043041020
612211500305
72042634554
oct501603021
9185636435
1084346385
114367a762
12242b7695
1314622806
14b2b869b
1576117c5
hex5070611

84346385 has 8 divisors (see below), whose sum is σ = 101637096. Its totient is φ = 67196160.

The previous prime is 84346363. The next prime is 84346393. The reversal of 84346385 is 58364348.

84346385 = T334 + T335 + ... + T815.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30162064 + 54184321 = 5492^2 + 7361^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-84346385 is a prime.

It is a super-2 number, since 2×843463852 = 14228625325136450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33794 + ... + 36203.

It is an arithmetic number, because the mean of its divisors is an integer number (12704637).

Almost surely, 284346385 is an apocalyptic number.

It is an amenable number.

84346385 is a deficient number, since it is larger than the sum of its proper divisors (17290711).

84346385 is a wasteful number, since it uses less digits than its factorization.

84346385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70243.

The product of its digits is 276480, while the sum is 41.

The square root of 84346385 is about 9184.0288000420. The cubic root of 84346385 is about 438.5530724486.

The spelling of 84346385 in words is "eighty-four million, three hundred forty-six thousand, three hundred eighty-five".

Divisors: 1 5 241 1205 69997 349985 16869277 84346385