| Base | Representation |
|---|---|
| bin | 110010011010010… |
| … | …010110101010000 |
| 3 | 2011221102201221101 |
| 4 | 302122102311100 |
| 5 | 3213003104210 |
| 6 | 215531234144 |
| 7 | 26646534112 |
| oct | 6232226520 |
| 9 | 2157381841 |
| 10 | 845753680 |
| 11 | 3a4451292 |
| 12 | 1b72a8954 |
| 13 | 1062b2585 |
| 14 | 804793b2 |
| 15 | 4e3b3a3a |
| hex | 32692d50 |
845753680 has 80 divisors (see below), whose sum is σ = 2053797120. Its totient is φ = 323488256.
The previous prime is 845753653. The next prime is 845753681. The reversal of 845753680 is 86357548.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 845753680.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (845753681) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 246537 + ... + 249943.
It is an arithmetic number, because the mean of its divisors is an integer number (25672464).
Almost surely, 2845753680 is an apocalyptic number.
845753680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 845753680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026898560).
845753680 is an abundant number, since it is smaller than the sum of its proper divisors (1208043440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
845753680 is a wasteful number, since it uses less digits than its factorization.
845753680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3556 (or 3550 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 46.
The square root of 845753680 is about 29081.8445082151. The cubic root of 845753680 is about 945.6881897683.
The spelling of 845753680 in words is "eight hundred forty-five million, seven hundred fifty-three thousand, six hundred eighty".
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