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4096781 = 131512087
BaseRepresentation
bin1111101000001100001101
321201010201122
433220030031
52022044111
6223450325
746551653
oct17501415
97633648
104096781
112348a77
1214569a5
13b05940
14788dd3
1555dcdb
hex3e830d

4096781 has 8 divisors (see below), whose sum is σ = 4443264. Its totient is φ = 3754800.

The previous prime is 4096769. The next prime is 4096789. The reversal of 4096781 is 1876904.

4096781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4096781 - 26 = 4096717 is a prime.

It is a super-2 number, since 2×40967812 = 33567229123922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4096789) 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 7 ways as a sum of consecutive naturals, for example, 920 + ... + 3006.

It is an arithmetic number, because the mean of its divisors is an integer number (555408).

Almost surely, 24096781 is an apocalyptic number.

It is an amenable number.

4096781 is a deficient number, since it is larger than the sum of its proper divisors (346483).

4096781 is a wasteful number, since it uses less digits than its factorization.

4096781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 4096781 is about 2024.0506416589. The cubic root of 4096781 is about 160.0101686246.

The spelling of 4096781 in words is "four million, ninety-six thousand, seven hundred eighty-one".

Divisors: 1 13 151 1963 2087 27131 315137 4096781