Base | Representation |
---|---|
bin | 11110001000000010011001 |
3 | 112212012222102 |
4 | 132020002121 |
5 | 4010202431 |
6 | 441133145 |
7 | 124061012 |
oct | 36100231 |
9 | 15765872 |
10 | 7897241 |
11 | 4504350 |
12 | 278a1b5 |
13 | 1836731 |
14 | 1098009 |
15 | a5edcb |
hex | 788099 |
7897241 has 8 divisors (see below), whose sum is σ = 8684544. Its totient is φ = 7121520.
The previous prime is 7897207. The next prime is 7897247. The reversal of 7897241 is 1427987.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7897241 - 26 = 7897177 is a prime.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 7897195 and 7897204.
It is not an unprimeable number, because it can be changed into a prime (7897247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430 + ... + 4223.
It is an arithmetic number, because the mean of its divisors is an integer number (1085568).
Almost surely, 27897241 is an apocalyptic number.
It is an amenable number.
7897241 is a deficient number, since it is larger than the sum of its proper divisors (787303).
7897241 is a wasteful number, since it uses less digits than its factorization.
7897241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5791.
The product of its digits is 28224, while the sum is 38.
The square root of 7897241 is about 2810.2030175772. The cubic root of 7897241 is about 199.1399821473.
The spelling of 7897241 in words is "seven million, eight hundred ninety-seven thousand, two hundred forty-one".
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