Base | Representation |
---|---|
bin | 111000000111… |
… | …1100011100101 |
3 | 2001100212221001 |
4 | 1300033203211 |
5 | 30013030340 |
6 | 2530353301 |
7 | 505045543 |
oct | 160174345 |
9 | 61325831 |
10 | 29423845 |
11 | 15677630 |
12 | 9a2b831 |
13 | 6132979 |
14 | 3c9cd93 |
15 | 28b329a |
hex | 1c0f8e5 |
29423845 has 16 divisors (see below), whose sum is σ = 38957760. Its totient is φ = 21155200.
The previous prime is 29423839. The next prime is 29423857. The reversal of 29423845 is 54832492.
It is a happy number.
It is not a de Polignac number, because 29423845 - 25 = 29423813 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890 + ... + 7900.
It is an arithmetic number, because the mean of its divisors is an integer number (2434860).
Almost surely, 229423845 is an apocalyptic number.
It is an amenable number.
29423845 is a deficient number, since it is larger than the sum of its proper divisors (9533915).
29423845 is a wasteful number, since it uses less digits than its factorization.
29423845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6116.
The product of its digits is 69120, while the sum is 37.
The square root of 29423845 is about 5424.3750792142. The cubic root of 29423845 is about 308.7212149510.
The spelling of 29423845 in words is "twenty-nine million, four hundred twenty-three thousand, eight hundred forty-five".
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