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43126081 = 231919817
BaseRepresentation
bin1010010010000…
…0110101000001
310000011000212021
42210200311001
542020013311
64140201441
71032365005
oct244406501
9100130767
1043126081
1122386299
1212539281
138c1c6bb
145a28705
153bbd171
hex2920d41

43126081 has 8 divisors (see below), whose sum is σ = 45241344. Its totient is φ = 41030880.

The previous prime is 43126063. The next prime is 43126099. The reversal of 43126081 is 18062134.

It is an interprime number because it is at equal distance from previous prime (43126063) and next prime (43126099).

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 43126081 - 213 = 43117889 is a prime.

It is a super-2 number, since 2×431260812 = 3719717724837122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43126381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516 + ... + 9301.

It is an arithmetic number, because the mean of its divisors is an integer number (5655168).

Almost surely, 243126081 is an apocalyptic number.

It is an amenable number.

43126081 is a deficient number, since it is larger than the sum of its proper divisors (2115263).

43126081 is a wasteful number, since it uses less digits than its factorization.

43126081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10031.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 43126081 is about 6567.0450736994. The cubic root of 43126081 is about 350.6818842680.

It can be divided in two parts, 431 and 26081, that multiplied together give a triangular number (11240911 = T4741).

The spelling of 43126081 in words is "forty-three million, one hundred twenty-six thousand, eighty-one".

Divisors: 1 23 191 4393 9817 225791 1875047 43126081