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84115407 = 385732717
BaseRepresentation
bin1010000001101…
…11111111001111
312212021111122110
411000313333033
5133013143112
612202515103
72040653265
oct500677717
9185244573
1084115407
1143532172
1224205a93
131457163c
14b258435
1575b813c
hex5037fcf

84115407 has 8 divisors (see below), whose sum is σ = 112288176. Its totient is φ = 56009792.

The previous prime is 84115403. The next prime is 84115411. The reversal of 84115407 is 70451148.

It is an interprime number because it is at equal distance from previous prime (84115403) and next prime (84115411).

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

It is a cyclic number.

It is not a de Polignac number, because 84115407 - 22 = 84115403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84115403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13788 + ... + 18929.

It is an arithmetic number, because the mean of its divisors is an integer number (14036022).

Almost surely, 284115407 is an apocalyptic number.

84115407 is a deficient number, since it is larger than the sum of its proper divisors (28172769).

84115407 is a wasteful number, since it uses less digits than its factorization.

84115407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33577.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 84115407 is about 9171.4451969142. The cubic root of 84115407 is about 438.1523885421.

The spelling of 84115407 in words is "eighty-four million, one hundred fifteen thousand, four hundred seven".

Divisors: 1 3 857 2571 32717 98151 28038469 84115407