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86320043 = 109791927
BaseRepresentation
bin1010010010100…
…10001110101011
320000102111211122
411021102032223
5134044220133
612322045455
72065464635
oct511221653
9200374748
1086320043
11447a8587
1224aa988b
1314b63c64
14b66da55
1578a1498
hex52523ab

86320043 has 4 divisors (see below), whose sum is σ = 87112080. Its totient is φ = 85528008.

The previous prime is 86319991. The next prime is 86320057. The reversal of 86320043 is 34002368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86320043 - 28 = 86319787 is a prime.

It is a super-2 number, since 2×863200432 = 14902299647043698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86319994 and 86320021.

It is not an unprimeable number, because it can be changed into a prime (86320243) 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 3 ways as a sum of consecutive naturals, for example, 395855 + ... + 396072.

It is an arithmetic number, because the mean of its divisors is an integer number (21778020).

Almost surely, 286320043 is an apocalyptic number.

86320043 is a deficient number, since it is larger than the sum of its proper divisors (792037).

86320043 is a wasteful number, since it uses less digits than its factorization.

86320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792036.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 86320043 is about 9290.8580335726. The cubic root of 86320043 is about 441.9473654761.

The spelling of 86320043 in words is "eighty-six million, three hundred twenty thousand, forty-three".

Divisors: 1 109 791927 86320043