Base | Representation |
---|---|
bin | 110111101101… |
… | …0010110001101 |
3 | 2000221210222001 |
4 | 1233122112031 |
5 | 24434042101 |
6 | 2521552301 |
7 | 503150254 |
oct | 157322615 |
9 | 60853861 |
10 | 29205901 |
11 | 1553890a |
12 | 9945691 |
13 | 60876ca |
14 | 3c4379b |
15 | 286d901 |
hex | 1bda58d |
29205901 has 4 divisors (see below), whose sum is σ = 29885152. Its totient is φ = 28526652.
The previous prime is 29205893. The next prime is 29205919. The reversal of 29205901 is 10950292.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 29205901 - 23 = 29205893 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 29205901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29205961) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339561 + ... + 339646.
It is an arithmetic number, because the mean of its divisors is an integer number (7471288).
Almost surely, 229205901 is an apocalyptic number.
It is an amenable number.
29205901 is a deficient number, since it is larger than the sum of its proper divisors (679251).
29205901 is an equidigital number, since it uses as much as digits as its factorization.
29205901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 679250.
The product of its (nonzero) digits is 1620, while the sum is 28.
The square root of 29205901 is about 5404.2484213811. The cubic root of 29205901 is about 307.9570869824.
The spelling of 29205901 in words is "twenty-nine million, two hundred five thousand, nine hundred one".
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