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8109029 = 191732467
BaseRepresentation
bin11110111011101111100101
3120020222111102
4132323233211
54033442104
6445445445
7125632325
oct36735745
916228442
108109029
114639485
122870885
1318abc56
141111285
15aa2a1e
hex7bbbe5

8109029 has 8 divisors (see below), whose sum is σ = 8588640. Its totient is φ = 7634736.

The previous prime is 8109007. The next prime is 8109061. The reversal of 8109029 is 9209018.

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 8109029 - 28 = 8108773 is a prime.

It is a super-3 number, since 3×81090293 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8108992 and 8109010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8109089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2054 + ... + 4520.

It is an arithmetic number, because the mean of its divisors is an integer number (1073580).

Almost surely, 28109029 is an apocalyptic number.

It is an amenable number.

8109029 is a deficient number, since it is larger than the sum of its proper divisors (479611).

8109029 is a wasteful number, since it uses less digits than its factorization.

8109029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 8109029 is about 2847.6356859683. The cubic root of 8109029 is about 200.9044784277.

The spelling of 8109029 in words is "eight million, one hundred nine thousand, twenty-nine".

Divisors: 1 19 173 2467 3287 46873 426791 8109029