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29080565 = 55816113
BaseRepresentation
bin110111011101…
…1101111110101
32000201110000222
41232323233311
524421034230
62515144125
7502115663
oct156735765
960643028
1029080565
1115462728
1298a5045
136042647
143c0dc33
1528466e5
hex1bbbbf5

29080565 has 4 divisors (see below), whose sum is σ = 34896684. Its totient is φ = 23264448.

The previous prime is 29080561. The next prime is 29080619. The reversal of 29080565 is 56508092.

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 19704721 + 9375844 = 4439^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 29080565 - 22 = 29080561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29080561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908052 + ... + 2908061.

It is an arithmetic number, because the mean of its divisors is an integer number (8724171).

Almost surely, 229080565 is an apocalyptic number.

It is an amenable number.

29080565 is a deficient number, since it is larger than the sum of its proper divisors (5816119).

29080565 is an equidigital number, since it uses as much as digits as its factorization.

29080565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816118.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 29080565 is about 5392.6398915559. The cubic root of 29080565 is about 307.5159266433.

The spelling of 29080565 in words is "twenty-nine million, eighty thousand, five hundred sixty-five".

Divisors: 1 5 5816113 29080565