Base | Representation |
---|---|
bin | 110111111001… |
… | …0000011000100 |
3 | 2001010202010120 |
4 | 1233302003010 |
5 | 30000143410 |
6 | 2524021540 |
7 | 504033300 |
oct | 157620304 |
9 | 61122116 |
10 | 29302980 |
11 | 155a4843 |
12 | 99918b0 |
13 | 60bc955 |
14 | 3c6ad00 |
15 | 288c570 |
hex | 1bf20c4 |
29302980 has 72 divisors (see below), whose sum is σ = 95453568. Its totient is φ = 6697152.
The previous prime is 29302979. The next prime is 29302991. The reversal of 29302980 is 8920392.
29302980 is nontrivially palindromic in base 9.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2044 + ... + 7923.
It is an arithmetic number, because the mean of its divisors is an integer number (1325744).
Almost surely, 229302980 is an apocalyptic number.
29302980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29302980 is an abundant number, since it is smaller than the sum of its proper divisors (66150588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29302980 is a wasteful number, since it uses less digits than its factorization.
29302980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9993 (or 9984 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 29302980 is about 5413.2227000189. Note that the first 3 decimals coincide. The cubic root of 29302980 is about 308.2979211015.
The spelling of 29302980 in words is "twenty-nine million, three hundred two thousand, nine hundred eighty".
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