Base | Representation |
---|---|
bin | 110111100101… |
… | …1011101011101 |
3 | 2000211201022200 |
4 | 1233023131131 |
5 | 24430114200 |
6 | 2520402113 |
7 | 502504425 |
oct | 157133535 |
9 | 60751280 |
10 | 29144925 |
11 | 154a7017 |
12 | 9916339 |
13 | 6065a24 |
14 | 3c29485 |
15 | 285a800 |
hex | 1bcb75d |
29144925 has 18 divisors (see below), whose sum is σ = 52202202. Its totient is φ = 15543840.
The previous prime is 29144909. The next prime is 29144939. The reversal of 29144925 is 52944192.
It can be written as a sum of positive squares in 3 ways, for example, as 7717284 + 21427641 = 2778^2 + 4629^2 .
It is not a de Polignac number, because 29144925 - 24 = 29144909 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 29144925.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 64542 + ... + 64991.
Almost surely, 229144925 is an apocalyptic number.
29144925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
29144925 is a deficient number, since it is larger than the sum of its proper divisors (23057277).
29144925 is a wasteful number, since it uses less digits than its factorization.
29144925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129549 (or 129541 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 29144925 is about 5398.6039862172. The cubic root of 29144925 is about 307.7426203383.
The spelling of 29144925 in words is "twenty-nine million, one hundred forty-four thousand, nine hundred twenty-five".
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