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8080029 = 32897781
BaseRepresentation
bin11110110100101010011101
3120012111201100
4132310222131
54032030104
6445103313
7125451636
oct36645235
916174640
108080029
114619711
122857b39
13189b9a9
14110488d
15a99139
hex7b4a9d

8080029 has 6 divisors (see below), whose sum is σ = 11671166. Its totient is φ = 5386680.

The previous prime is 8080027. The next prime is 8080063. The reversal of 8080029 is 9200808.

It can be written as a sum of positive squares in only one way, i.e., 6125625 + 1954404 = 2475^2 + 1398^2 .

It is not a de Polignac number, because 8080029 - 21 = 8080027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8079984 and 8080011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8080027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448882 + ... + 448899.

Almost surely, 28080029 is an apocalyptic number.

It is an amenable number.

8080029 is a deficient number, since it is larger than the sum of its proper divisors (3591137).

8080029 is a wasteful number, since it uses less digits than its factorization.

8080029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897787 (or 897784 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 8080029 is about 2842.5391817880. The cubic root of 8080029 is about 200.6646967770.

The spelling of 8080029 in words is "eight million, eighty thousand, twenty-nine".

Divisors: 1 3 9 897781 2693343 8080029