Base | Representation |
---|---|
bin | 10100100110110010000 |
3 | 1021022020000 |
4 | 2210312100 |
5 | 133101331 |
6 | 22250000 |
7 | 5511363 |
oct | 2446620 |
9 | 1238200 |
10 | 675216 |
11 | 421333 |
12 | 286900 |
13 | 1a8449 |
14 | 1380da |
15 | d50e6 |
hex | a4d90 |
675216 has 50 divisors (see below), whose sum is σ = 1958022. Its totient is φ = 224640.
The previous prime is 675197. The next prime is 675221. The reversal of 675216 is 612576.
675216 is nontrivially palindromic in base 5.
It can be written as a sum of positive squares in only one way, i.e., 518400 + 156816 = 720^2 + 396^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 675216.
It is an unprimeable number.
675216 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 9 ways as a sum of consecutive naturals, for example, 1036 + ... + 1556.
2675216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 675216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979011).
675216 is an abundant number, since it is smaller than the sum of its proper divisors (1282806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
675216 is a wasteful number, since it uses less digits than its factorization.
675216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 541 (or 526 counting only the distinct ones).
The product of its digits is 2520, while the sum is 27.
The square root of 675216 is about 821.7152791570. The cubic root of 675216 is about 87.7298880053.
The spelling of 675216 in words is "six hundred seventy-five thousand, two hundred sixteen".
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