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43068081 = 374150021
BaseRepresentation
bin1010010001001…
…0101010110001
310000001002022010
42210102222301
542011134311
64135033133
71032033630
oct244225261
9100032263
1043068081
1122346761
121250b7a9
138bcc194
145a11517
153baada6
hex2912ab1

43068081 has 16 divisors (see below), whose sum is σ = 67229568. Its totient is φ = 24009600.

The previous prime is 43068073. The next prime is 43068101. The reversal of 43068081 is 18086034.

It is a happy number.

It is not a de Polignac number, because 43068081 - 23 = 43068073 is a prime.

It is a super-2 number, since 2×430680812 = 3709719202045122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43068031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24150 + ... + 25871.

It is an arithmetic number, because the mean of its divisors is an integer number (4201848).

Almost surely, 243068081 is an apocalyptic number.

43068081 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

43068081 is a deficient number, since it is larger than the sum of its proper divisors (24161487).

43068081 is a wasteful number, since it uses less digits than its factorization.

43068081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50072.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 43068081 is about 6562.6275987595. The cubic root of 43068081 is about 350.5246037716.

The spelling of 43068081 in words is "forty-three million, sixty-eight thousand, eighty-one".

Divisors: 1 3 7 21 41 123 287 861 50021 150063 350147 1050441 2050861 6152583 14356027 43068081