Base | Representation |
---|---|
bin | 110111101011… |
… | …0011001100010 |
3 | 2000220222210010 |
4 | 1233112121202 |
5 | 24433032410 |
6 | 2521345350 |
7 | 503052153 |
oct | 157263142 |
9 | 60828703 |
10 | 29189730 |
11 | 15527749 |
12 | 9938256 |
13 | 608023b |
14 | 3c3b92a |
15 | 2868c20 |
hex | 1bd6662 |
29189730 has 16 divisors (see below), whose sum is σ = 70055424. Its totient is φ = 7783920.
The previous prime is 29189723. The next prime is 29189759. The reversal of 29189730 is 3798192.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486466 + ... + 486525.
It is an arithmetic number, because the mean of its divisors is an integer number (4378464).
Almost surely, 229189730 is an apocalyptic number.
29189730 is an abundant number, since it is smaller than the sum of its proper divisors (40865694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29189730 is a wasteful number, since it uses less digits than its factorization.
29189730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 973001.
The product of its (nonzero) digits is 27216, while the sum is 39.
The square root of 29189730 is about 5402.7520764884. The cubic root of 29189730 is about 307.9002389565.
The spelling of 29189730 in words is "twenty-nine million, one hundred eighty-nine thousand, seven hundred thirty".
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