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43072082 = 2316611051
BaseRepresentation
bin1010010001001…
…1101001010010
310000001021210022
42210103221102
542011301312
64135103442
71032051404
oct244235122
9100037708
1043072082
1122349769
1212511b82
138c00c51
145a12b74
153bac172
hex2913a52

43072082 has 16 divisors (see below), whose sum is σ = 66856704. Its totient is φ = 20790000.

The previous prime is 43072049. The next prime is 43072091. The reversal of 43072082 is 28027034.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40457 + ... + 41507.

It is an arithmetic number, because the mean of its divisors is an integer number (4178544).

Almost surely, 243072082 is an apocalyptic number.

43072082 is a deficient number, since it is larger than the sum of its proper divisors (23784622).

43072082 is a wasteful number, since it uses less digits than its factorization.

43072082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 43072082 is about 6562.9324238484. The cubic root of 43072082 is about 350.5354579469.

The spelling of 43072082 in words is "forty-three million, seventy-two thousand, eighty-two".

Divisors: 1 2 31 62 661 1051 1322 2102 20491 32581 40982 65162 694711 1389422 21536041 43072082