Base | Representation |
---|---|
bin | 110111100000… |
… | …1111101101001 |
3 | 2000202201221221 |
4 | 1233001331221 |
5 | 24422343100 |
6 | 2515502041 |
7 | 502253134 |
oct | 157017551 |
9 | 60681857 |
10 | 29106025 |
11 | 1547a873 |
12 | 98b7921 |
13 | 6051100 |
14 | 3c1921b |
15 | 284e01a |
hex | 1bc1f69 |
29106025 has 27 divisors (see below), whose sum is σ = 39557829. Its totient is φ = 21234720.
The previous prime is 29105981. The next prime is 29106029. The reversal of 29106025 is 52060192.
The square root of 29106025 is 5395.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 7502121 + 21603904 = 2739^2 + 4648^2 .
It is not a de Polignac number, because 29106025 - 27 = 29105897 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29106029) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 350634 + ... + 350716.
Almost surely, 229106025 is an apocalyptic number.
29106025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
29106025 is the 5395-th square number.
29106025 is the 2698-th centered octagonal number.
It is an amenable number.
29106025 is a deficient number, since it is larger than the sum of its proper divisors (10451804).
29106025 is an equidigital number, since it uses as much as digits as its factorization.
29106025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202 (or 101 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 25.
The cubic root of 29106025 is about 307.6056437417.
Multiplying 29106025 by its sum of digits (25), we get a square (727650625 = 269752).
29106025 divided by its sum of digits (25) gives a square (1164241 = 10792).
The spelling of 29106025 in words is "twenty-nine million, one hundred six thousand, twenty-five".
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