Base | Representation |
---|---|
bin | 111000101010… |
… | …0111101110001 |
3 | 2001220022220200 |
4 | 1301110331301 |
5 | 30101130040 |
6 | 2540425413 |
7 | 510341445 |
oct | 161247561 |
9 | 61808820 |
10 | 29708145 |
11 | 15851195 |
12 | 9b48269 |
13 | 62021ac |
14 | 3d34825 |
15 | 291c630 |
hex | 1c54f71 |
29708145 has 12 divisors (see below), whose sum is σ = 51494196. Its totient is φ = 15844320.
The previous prime is 29708123. The next prime is 29708177. The reversal of 29708145 is 54180792.
It can be written as a sum of positive squares in 2 ways, for example, as 13571856 + 16136289 = 3684^2 + 4017^2 .
It is not a de Polignac number, because 29708145 - 210 = 29707121 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330046 + ... + 330135.
It is an arithmetic number, because the mean of its divisors is an integer number (4291183).
Almost surely, 229708145 is an apocalyptic number.
It is an amenable number.
29708145 is a deficient number, since it is larger than the sum of its proper divisors (21786051).
29708145 is a wasteful number, since it uses less digits than its factorization.
29708145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 660192 (or 660189 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 29708145 is about 5450.5178653042. The cubic root of 29708145 is about 309.7123415496.
The spelling of 29708145 in words is "twenty-nine million, seven hundred eight thousand, one hundred forty-five".
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