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808029 = 3329927
BaseRepresentation
bin11000101010001011101
31112001102000
43011101131
5201324104
625152513
76603525
oct3052135
91461360
10808029
115020a2
1232b739
13223a31
14170685
1510e639
hexc545d

808029 has 8 divisors (see below), whose sum is σ = 1197120. Its totient is φ = 538668.

The previous prime is 808021. The next prime is 808039. The reversal of 808029 is 920808.

808029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 808029 - 23 = 808021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 29927 = 808029 / (8 + 0 + 8 + 0 + 2 + 9).

808029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 807993 and 808011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808021) 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, 14937 + ... + 14990.

It is an arithmetic number, because the mean of its divisors is an integer number (149640).

2808029 is an apocalyptic number.

It is an amenable number.

808029 is a deficient number, since it is larger than the sum of its proper divisors (389091).

808029 is a wasteful number, since it uses less digits than its factorization.

808029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29936 (or 29930 counting only the distinct ones).

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

The square root of 808029 is about 898.9043330633. The cubic root of 808029 is about 93.1413044437.

The spelling of 808029 in words is "eight hundred eight thousand, twenty-nine".

Divisors: 1 3 9 27 29927 89781 269343 808029