Base | Representation |
---|---|
bin | 111000101100… |
… | …1111111000110 |
3 | 2001221101010100 |
4 | 1301121333012 |
5 | 30102304320 |
6 | 2541104530 |
7 | 510455424 |
oct | 161317706 |
9 | 61841110 |
10 | 29728710 |
11 | 15865690 |
12 | 9b58146 |
13 | 620b66b |
14 | 3d3c114 |
15 | 2923790 |
hex | 1c59fc6 |
29728710 has 48 divisors (see below), whose sum is σ = 84324240. Its totient is φ = 7206720.
The previous prime is 29728697. The next prime is 29728717. The reversal of 29728710 is 1782792.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29728717) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14025 + ... + 16004.
It is an arithmetic number, because the mean of its divisors is an integer number (1756755).
Almost surely, 229728710 is an apocalyptic number.
29728710 is an abundant number, since it is smaller than the sum of its proper divisors (54595530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29728710 is a wasteful number, since it uses less digits than its factorization.
29728710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30053 (or 30050 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 36.
The square root of 29728710 is about 5452.4040569275. The cubic root of 29728710 is about 309.7837895784.
The spelling of 29728710 in words is "twenty-nine million, seven hundred twenty-eight thousand, seven hundred ten".
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