Base | Representation |
---|---|
bin | 11001111010101… |
… | …11101010111010 |
3 | 120011002210101121 |
4 | 30331113222322 |
5 | 421124224310 |
6 | 33323535454 |
7 | 5246664010 |
oct | 1475275272 |
9 | 504083347 |
10 | 217414330 |
11 | 1017a7671 |
12 | 6098a58a |
13 | 36073843 |
14 | 20c368b0 |
15 | 141490da |
hex | cf57aba |
217414330 has 64 divisors (see below), whose sum is σ = 458422272. Its totient is φ = 72705600.
The previous prime is 217414319. The next prime is 217414333. The reversal of 217414330 is 33414712.
It is a junction number, because it is equal to n+sod(n) for n = 217414295 and 217414304.
It is not an unprimeable number, because it can be changed into a prime (217414333) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708037 + ... + 708343.
It is an arithmetic number, because the mean of its divisors is an integer number (7162848).
Almost surely, 2217414330 is an apocalyptic number.
217414330 is an abundant number, since it is smaller than the sum of its proper divisors (241007942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
217414330 is a wasteful number, since it uses less digits than its factorization.
217414330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 539.
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 217414330 is about 14744.9764326702. The cubic root of 217414330 is about 601.3067169004.
The spelling of 217414330 in words is "two hundred seventeen million, four hundred fourteen thousand, three hundred thirty".
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