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8156041 = 18145061
BaseRepresentation
bin11111000111001110001001
3120100100222121
4133013032021
54041443131
6450451241
7126216355
oct37071611
916310877
108156041
114670833
122893b21
1318c747a
141124465
15ab1911
hex7c7389

8156041 has 4 divisors (see below), whose sum is σ = 8201284. Its totient is φ = 8110800.

The previous prime is 8156023. The next prime is 8156063. The reversal of 8156041 is 1406518.

8156041 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3316041 + 4840000 = 1821^2 + 2200^2 .

It is a cyclic number.

It is not a de Polignac number, because 8156041 - 25 = 8156009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8155997 and 8156015.

It is not an unprimeable number, because it can be changed into a prime (8156081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22350 + ... + 22711.

It is an arithmetic number, because the mean of its divisors is an integer number (2050321).

Almost surely, 28156041 is an apocalyptic number.

It is an amenable number.

8156041 is a deficient number, since it is larger than the sum of its proper divisors (45243).

8156041 is a wasteful number, since it uses less digits than its factorization.

8156041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45242.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 8156041 is about 2855.8783237386. The cubic root of 8156041 is about 201.2919776638.

The spelling of 8156041 in words is "eight million, one hundred fifty-six thousand, forty-one".

Divisors: 1 181 45061 8156041