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4043081 = 74712289
BaseRepresentation
bin1111011011000101001001
321121102001202
433123011021
52013334311
6222353545
746236260
oct17330511
97542052
104043081
112311699
12142b8b5
13ab7373
147735d7
1554ce3b
hex3db149

4043081 has 8 divisors (see below), whose sum is σ = 4719360. Its totient is φ = 3391488.

The previous prime is 4043071. The next prime is 4043087. The reversal of 4043081 is 1803404.

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 4043081 - 210 = 4042057 is a prime.

It is a super-2 number, since 2×40430812 = 32693007945122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4043087) 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, 5816 + ... + 6473.

It is an arithmetic number, because the mean of its divisors is an integer number (589920).

Almost surely, 24043081 is an apocalyptic number.

It is an amenable number.

4043081 is a deficient number, since it is larger than the sum of its proper divisors (676279).

4043081 is a wasteful number, since it uses less digits than its factorization.

4043081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12343.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4043081 is about 2010.7414055517. The cubic root of 4043081 is about 159.3079616042.

Adding to 4043081 its reverse (1803404), we get a palindrome (5846485).

The spelling of 4043081 in words is "four million, forty-three thousand, eighty-one".

Divisors: 1 7 47 329 12289 86023 577583 4043081