Base | Representation |
---|---|
bin | 101001010101000… |
… | …011100010101010 |
3 | 1210022201121221020 |
4 | 221111003202222 |
5 | 2410001313021 |
6 | 152445353310 |
7 | 23116451511 |
oct | 5125034252 |
9 | 1708647836 |
10 | 693385386 |
11 | 326441781 |
12 | 174268836 |
13 | b0864715 |
14 | 68135678 |
15 | 40d177c6 |
hex | 295438aa |
693385386 has 8 divisors (see below), whose sum is σ = 1386770784. Its totient is φ = 231128460.
The previous prime is 693385351. The next prime is 693385397. The reversal of 693385386 is 683583396.
It is a sphenic number, since it is the product of 3 distinct primes.
693385386 is an admirable number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57782110 + ... + 57782121.
It is an arithmetic number, because the mean of its divisors is an integer number (173346348).
Almost surely, 2693385386 is an apocalyptic number.
693385386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
693385386 is a wasteful number, since it uses less digits than its factorization.
693385386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115564236.
The product of its digits is 2799360, while the sum is 51.
The square root of 693385386 is about 26332.2119465874. The cubic root of 693385386 is about 885.0984116041.
The spelling of 693385386 in words is "six hundred ninety-three million, three hundred eighty-five thousand, three hundred eighty-six".
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