Base | Representation |
---|---|
bin | 101000111110001… |
… | …001111100110011 |
3 | 1202220102122021120 |
4 | 220332021330303 |
5 | 2401432213243 |
6 | 152112553323 |
7 | 23014440045 |
oct | 5076117463 |
9 | 1686378246 |
10 | 687382323 |
11 | 323011571 |
12 | 172252843 |
13 | ac542204 |
14 | 67411a95 |
15 | 4052dc83 |
hex | 28f89f33 |
687382323 has 16 divisors (see below), whose sum is σ = 968436480. Its totient is φ = 432476064.
The previous prime is 687382309. The next prime is 687382349. The reversal of 687382323 is 323283786.
It is not a de Polignac number, because 687382323 - 24 = 687382307 is a prime.
It is not an unprimeable number, because it can be changed into a prime (687382303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7936 + ... + 37917.
It is an arithmetic number, because the mean of its divisors is an integer number (60527280).
Almost surely, 2687382323 is an apocalyptic number.
687382323 is a deficient number, since it is larger than the sum of its proper divisors (281054157).
687382323 is a wasteful number, since it uses less digits than its factorization.
687382323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46138.
The product of its digits is 290304, while the sum is 42.
The square root of 687382323 is about 26217.9770958783. The cubic root of 687382323 is about 882.5367244974.
The spelling of 687382323 in words is "six hundred eighty-seven million, three hundred eighty-two thousand, three hundred twenty-three".
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