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29113805 = 573126833
BaseRepresentation
bin110111100001…
…1110111001101
32000210010122002
41233003313031
524423120210
62520002045
7502314620
oct157036715
960703562
1029113805
11154856a6
129900325
136054806
143c1bdb7
1528514a5
hex1bc3dcd

29113805 has 16 divisors (see below), whose sum is σ = 41217024. Its totient is φ = 19319040.

The previous prime is 29113789. The next prime is 29113811. The reversal of 29113805 is 50831192.

It is not a de Polignac number, because 29113805 - 24 = 29113789 is a prime.

It is a super-2 number, since 2×291138052 = 1695227283156050, 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 15 ways as a sum of consecutive naturals, for example, 12332 + ... + 14501.

It is an arithmetic number, because the mean of its divisors is an integer number (2576064).

Almost surely, 229113805 is an apocalyptic number.

It is an amenable number.

29113805 is a deficient number, since it is larger than the sum of its proper divisors (12103219).

29113805 is a wasteful number, since it uses less digits than its factorization.

29113805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26876.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 29113805 is about 5395.7209898215. The cubic root of 29113805 is about 307.6330488204.

Adding to 29113805 its reverse (50831192), we get a palindrome (79944997).

The spelling of 29113805 in words is "twenty-nine million, one hundred thirteen thousand, eight hundred five".

Divisors: 1 5 7 31 35 155 217 1085 26833 134165 187831 831823 939155 4159115 5822761 29113805