Base | Representation |
---|---|
bin | 10100100000100101111 |
3 | 1021010212122 |
4 | 2210010233 |
5 | 133001142 |
6 | 22223155 |
7 | 5466215 |
oct | 2440457 |
9 | 1233778 |
10 | 672047 |
11 | 419a12 |
12 | 284abb |
13 | 1a6b7c |
14 | 136cb5 |
15 | d41d2 |
hex | a412f |
672047 has 4 divisors (see below), whose sum is σ = 687720. Its totient is φ = 656376.
The previous prime is 672043. The next prime is 672059. The reversal of 672047 is 740276.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 672047 - 22 = 672043 is a prime.
It is a Duffinian number.
It is a plaindrome in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (672041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7772 + ... + 7857.
It is an arithmetic number, because the mean of its divisors is an integer number (171930).
2672047 is an apocalyptic number.
672047 is a deficient number, since it is larger than the sum of its proper divisors (15673).
672047 is a wasteful number, since it uses less digits than its factorization.
672047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15672.
The product of its (nonzero) digits is 2352, while the sum is 26.
The square root of 672047 is about 819.7847278402. The cubic root of 672047 is about 87.5924247878.
The spelling of 672047 in words is "six hundred seventy-two thousand, forty-seven".
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