Base | Representation |
---|---|
bin | 10100011101000010110 |
3 | 1021001101100 |
4 | 2203220112 |
5 | 132421410 |
6 | 22210530 |
7 | 5461011 |
oct | 2435026 |
9 | 1231340 |
10 | 670230 |
11 | 418610 |
12 | 283a46 |
13 | 1a60b2 |
14 | 136378 |
15 | d38c0 |
hex | a3a16 |
670230 has 48 divisors (see below), whose sum is σ = 1903824. Its totient is φ = 162240.
The previous prime is 670223. The next prime is 670231. The reversal of 670230 is 32076.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (670231) by changing a digit.
670230 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 23 ways as a sum of consecutive naturals, for example, 652 + ... + 1328.
It is an arithmetic number, because the mean of its divisors is an integer number (39663).
2670230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 670230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951912).
670230 is an abundant number, since it is smaller than the sum of its proper divisors (1233594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
670230 is a wasteful number, since it uses less digits than its factorization.
670230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 701 (or 698 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 18.
The square root of 670230 is about 818.6757599929. The cubic root of 670230 is about 87.5134129098.
It can be divided in two parts, 670 and 230, that added together give a square (900 = 302).
The spelling of 670230 in words is "six hundred seventy thousand, two hundred thirty".
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