Base | Representation |
---|---|
bin | 1100000111001000110 |
3 | 202011101220 |
4 | 1200321012 |
5 | 100144440 |
6 | 12301210 |
7 | 3242025 |
oct | 1407106 |
9 | 664356 |
10 | 396870 |
11 | 2511a1 |
12 | 171806 |
13 | 10b846 |
14 | a48bc |
15 | 7c8d0 |
hex | 60e46 |
396870 has 16 divisors (see below), whose sum is σ = 952560. Its totient is φ = 105824.
The previous prime is 396833. The next prime is 396871. The reversal of 396870 is 78693.
It is a happy number.
396870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (396871) by changing a digit.
396870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6585 + ... + 6644.
It is an arithmetic number, because the mean of its divisors is an integer number (59535).
2396870 is an apocalyptic number.
396870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
396870 is an abundant number, since it is smaller than the sum of its proper divisors (555690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
396870 is a wasteful number, since it uses less digits than its factorization.
396870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13239.
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 396870 is about 629.9761900263. The cubic root of 396870 is about 73.4879428600.
The spelling of 396870 in words is "three hundred ninety-six thousand, eight hundred seventy".
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