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8028029 = 17736469
BaseRepresentation
bin11110100111111101111101
3120002212101102
4132213331331
54023344104
6444022445
7125144222
oct36477575
916085342
108028029
114593639
122831a25
131881119
1410cd949
15a88a1e
hex7a7f7d

8028029 has 8 divisors (see below), whose sum is σ = 8618040. Its totient is φ = 7451136.

The previous prime is 8028019. The next prime is 8028037. The reversal of 8028029 is 9208208.

8028029 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 683929 + 7344100 = 827^2 + 2710^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8028029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8027992 and 8028010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8028019) 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, 1994 + ... + 4475.

It is an arithmetic number, because the mean of its divisors is an integer number (1077255).

Almost surely, 28028029 is an apocalyptic number.

It is an amenable number.

8028029 is a deficient number, since it is larger than the sum of its proper divisors (590011).

8028029 is a wasteful number, since it uses less digits than its factorization.

8028029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 8028029 is about 2833.3776663198. The cubic root of 8028029 is about 200.2333027433.

The spelling of 8028029 in words is "eight million, twenty-eight thousand, twenty-nine".

Divisors: 1 17 73 1241 6469 109973 472237 8028029