Base | Representation |
---|---|
bin | 1000010111111000… |
… | …0010001000011011 |
3 | 12210122022111121221 |
4 | 2011332002020123 |
5 | 14100343201022 |
6 | 1011010312511 |
7 | 106461360121 |
oct | 20576021033 |
9 | 5718274557 |
10 | 2247631387 |
11 | a53802801 |
12 | 528888737 |
13 | 29a86a901 |
14 | 174719911 |
15 | d24c9cc7 |
hex | 85f8221b |
2247631387 has 8 divisors (see below), whose sum is σ = 2383214400. Its totient is φ = 2112422784.
The previous prime is 2247631361. The next prime is 2247631411. The reversal of 2247631387 is 7831367422.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2247631387 - 27 = 2247631259 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2247631307) 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, 81187 + ... + 105292.
It is an arithmetic number, because the mean of its divisors is an integer number (297901800).
Almost surely, 22247631387 is an apocalyptic number.
2247631387 is a deficient number, since it is larger than the sum of its proper divisors (135583013).
2247631387 is a wasteful number, since it uses less digits than its factorization.
2247631387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187205.
The product of its digits is 338688, while the sum is 43.
The square root of 2247631387 is about 47409.1909549193. The cubic root of 2247631387 is about 1309.9107192033.
The spelling of 2247631387 in words is "two billion, two hundred forty-seven million, six hundred thirty-one thousand, three hundred eighty-seven".
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