Base | Representation |
---|---|
bin | 111001000001… |
… | …1110111111101 |
3 | 2002021002110222 |
4 | 1302003313331 |
5 | 30123302120 |
6 | 2544511125 |
7 | 512101562 |
oct | 162036775 |
9 | 62232428 |
10 | 29900285 |
11 | 15972588 |
12 | a01b4a5 |
13 | 626b79c |
14 | 3d84869 |
15 | 2959525 |
hex | 1c83dfd |
29900285 has 8 divisors (see below), whose sum is σ = 35964000. Its totient is φ = 23864464.
The previous prime is 29900279. The next prime is 29900287. The reversal of 29900285 is 58200992.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-29900285 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29900287) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4535 + ... + 8964.
It is an arithmetic number, because the mean of its divisors is an integer number (4495500).
Almost surely, 229900285 is an apocalyptic number.
It is an amenable number.
29900285 is a deficient number, since it is larger than the sum of its proper divisors (6063715).
29900285 is a wasteful number, since it uses less digits than its factorization.
29900285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13947.
The product of its (nonzero) digits is 12960, while the sum is 35.
The square root of 29900285 is about 5468.1153060264. The cubic root of 29900285 is about 310.3786043647.
The spelling of 29900285 in words is "twenty-nine million, nine hundred thousand, two hundred eighty-five".
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