Base | Representation |
---|---|
bin | 1001011001000… |
… | …11111011001110 |
3 | 12111020222001010 |
4 | 10230203323032 |
5 | 130132242400 |
6 | 11452430050 |
7 | 1644464322 |
oct | 454437316 |
9 | 174228033 |
10 | 78790350 |
11 | 405253a1 |
12 | 22478326 |
13 | 13428912 |
14 | a66d982 |
15 | 6db5450 |
hex | 4b23ece |
78790350 has 48 divisors (see below), whose sum is σ = 196134768. Its totient is φ = 20931840.
The previous prime is 78790339. The next prime is 78790367. The reversal of 78790350 is 5309787.
It is a junction number, because it is equal to n+sod(n) for n = 78790299 and 78790308.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46722 + ... + 48378.
It is an arithmetic number, because the mean of its divisors is an integer number (4086141).
Almost surely, 278790350 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 78790350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98067384).
78790350 is an abundant number, since it is smaller than the sum of its proper divisors (117344418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78790350 is a wasteful number, since it uses less digits than its factorization.
78790350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1989 (or 1984 counting only the distinct ones).
The product of its (nonzero) digits is 52920, while the sum is 39.
The square root of 78790350 is about 8876.3928484492. The cubic root of 78790350 is about 428.7041390596.
The spelling of 78790350 in words is "seventy-eight million, seven hundred ninety thousand, three hundred fifty".
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