Base | Representation |
---|---|
bin | 101001010110101… |
… | …010000010100000 |
3 | 1210100111221211111 |
4 | 221112222002200 |
5 | 2410103231331 |
6 | 152502353104 |
7 | 23123150506 |
oct | 5126520240 |
9 | 1710457744 |
10 | 693805216 |
11 | 3266a9145 |
12 | 17442b794 |
13 | b0980840 |
14 | 68204676 |
15 | 40d9bdb1 |
hex | 295aa0a0 |
693805216 has 96 divisors (see below), whose sum is σ = 1574899200. Its totient is φ = 298183680.
The previous prime is 693805201. The next prime is 693805243. The reversal of 693805216 is 612508396.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a zygodrome in base 4.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481425 + ... + 482863.
It is an arithmetic number, because the mean of its divisors is an integer number (16405200).
Almost surely, 2693805216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 693805216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787449600).
693805216 is an abundant number, since it is smaller than the sum of its proper divisors (881093984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
693805216 is a wasteful number, since it uses less digits than its factorization.
693805216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1542 (or 1534 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 40.
The square root of 693805216 is about 26340.1825354343. The cubic root of 693805216 is about 885.2770116064.
The spelling of 693805216 in words is "six hundred ninety-three million, eight hundred five thousand, two hundred sixteen".
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