Base | Representation |
---|---|
bin | 10100100000101010000 |
3 | 1021010220212 |
4 | 2210011100 |
5 | 133001310 |
6 | 22223252 |
7 | 5466263 |
oct | 2440520 |
9 | 1233825 |
10 | 672080 |
11 | 419a42 |
12 | 284b28 |
13 | 1a6ba6 |
14 | 136cda |
15 | d4205 |
hex | a4150 |
672080 has 40 divisors (see below), whose sum is σ = 1618944. Its totient is φ = 259200.
The previous prime is 672079. The next prime is 672097. The reversal of 672080 is 80276.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2345 + ... + 2615.
2672080 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 672080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809472).
672080 is an abundant number, since it is smaller than the sum of its proper divisors (946864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
672080 is a wasteful number, since it uses less digits than its factorization.
672080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315 (or 309 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 672080 is about 819.8048548283. The cubic root of 672080 is about 87.5938584687.
The spelling of 672080 in words is "six hundred seventy-two thousand, eighty".
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