Base | Representation |
---|---|
bin | 10100101111101011010 |
3 | 1021112110200 |
4 | 2211331122 |
5 | 133223040 |
6 | 22323030 |
7 | 5530560 |
oct | 2457532 |
9 | 1245420 |
10 | 679770 |
11 | 4247a3 |
12 | 289476 |
13 | 1aa540 |
14 | 139a30 |
15 | d6630 |
hex | a5f5a |
679770 has 96 divisors (see below), whose sum is σ = 2201472. Its totient is φ = 141696.
The previous prime is 679753. The next prime is 679781. The reversal of 679770 is 77976.
679770 is nontrivially palindromic in base 4 and base 16.
It is a nialpdrome in base 15.
It is a zygodrome in base 4.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 679770.
It is an unprimeable number.
679770 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 47 ways as a sum of consecutive naturals, for example, 8149 + ... + 8231.
It is an arithmetic number, because the mean of its divisors is an integer number (22932).
2679770 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 679770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1100736).
679770 is an abundant number, since it is smaller than the sum of its proper divisors (1521702).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
679770 is a wasteful number, since it uses less digits than its factorization.
679770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116 (or 113 counting only the distinct ones).
The product of its (nonzero) digits is 18522, while the sum is 36.
The square root of 679770 is about 824.4816553447. The cubic root of 679770 is about 87.9266779053.
The spelling of 679770 in words is "six hundred seventy-nine thousand, seven hundred seventy".
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