Base | Representation |
---|---|
bin | 1001010011010… |
… | …00011011011100 |
3 | 12102210221120012 |
4 | 10221220123130 |
5 | 124433203424 |
6 | 11424142352 |
7 | 1635115310 |
oct | 451503334 |
9 | 172727505 |
10 | 78022364 |
11 | 400503a2 |
12 | 221679b8 |
13 | 1321a1a4 |
14 | a50db40 |
15 | 6cb2b0e |
hex | 4a686dc |
78022364 has 12 divisors (see below), whose sum is σ = 156044784. Its totient is φ = 33438144.
The previous prime is 78022363. The next prime is 78022391. The reversal of 78022364 is 46322087.
78022364 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 78022364.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78022363) 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 3 ways as a sum of consecutive naturals, for example, 1393229 + ... + 1393284.
It is an arithmetic number, because the mean of its divisors is an integer number (13003732).
Almost surely, 278022364 is an apocalyptic number.
It is an amenable number.
78022364 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.
78022364 is a wasteful number, since it uses less digits than its factorization.
78022364 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2786524 (or 2786522 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 32.
The square root of 78022364 is about 8833.0268877662. The cubic root of 78022364 is about 427.3066991988.
The spelling of 78022364 in words is "seventy-eight million, twenty-two thousand, three hundred sixty-four".
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