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86143043 = 712306149
BaseRepresentation
bin1010010001001…
…11000001000011
320000002112001002
411020213001003
5134023034133
612314202215
72064126620
oct510470103
9200075032
1086143043
11446975a8
1224a2336b
1314b0151c
14b625347
157868ce8
hex5227043

86143043 has 4 divisors (see below), whose sum is σ = 98449200. Its totient is φ = 73836888.

The previous prime is 86143037. The next prime is 86143049. The reversal of 86143043 is 34034168.

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

It is an interprime number because it is at equal distance from previous prime (86143037) and next prime (86143049).

It is a cyclic number.

It is not a de Polignac number, because 86143043 - 210 = 86142019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86142997 and 86143015.

It is not an unprimeable number, because it can be changed into a prime (86143049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6153068 + ... + 6153081.

It is an arithmetic number, because the mean of its divisors is an integer number (24612300).

Almost surely, 286143043 is an apocalyptic number.

86143043 is a deficient number, since it is larger than the sum of its proper divisors (12306157).

86143043 is a wasteful number, since it uses less digits than its factorization.

86143043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12306156.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 86143043 is about 9281.3276528738. The cubic root of 86143043 is about 441.6450864659.

The spelling of 86143043 in words is "eighty-six million, one hundred forty-three thousand, forty-three".

Divisors: 1 7 12306149 86143043