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29043005 = 55808601
BaseRepresentation
bin110111011001…
…0100100111101
32000122112111212
41232302210331
524413334010
62514254205
7501601325
oct156624475
960575455
1029043005
1115437492
129887365
13602b514
143c00285
15283a505
hex1bb293d

29043005 has 4 divisors (see below), whose sum is σ = 34851612. Its totient is φ = 23234400.

The previous prime is 29042969. The next prime is 29043011. The reversal of 29043005 is 50034092.

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 8231161 + 20811844 = 2869^2 + 4562^2 .

It is not a de Polignac number, because 29043005 - 218 = 28780861 is a prime.

It is a super-2 number, since 2×290430052 = 1686992278860050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2904296 + ... + 2904305.

It is an arithmetic number, because the mean of its divisors is an integer number (8712903).

Almost surely, 229043005 is an apocalyptic number.

It is an amenable number.

29043005 is a deficient number, since it is larger than the sum of its proper divisors (5808607).

29043005 is an equidigital number, since it uses as much as digits as its factorization.

29043005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808606.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 29043005 is about 5389.1562419362. The cubic root of 29043005 is about 307.3834753595.

Adding to 29043005 its reverse (50034092), we get a palindrome (79077097).

The spelling of 29043005 in words is "twenty-nine million, forty-three thousand, five".

Divisors: 1 5 5808601 29043005