Base | Representation |
---|---|
bin | 11010101000011001111010 |
3 | 111010200110112 |
4 | 122220121322 |
5 | 3241344432 |
6 | 405344322 |
7 | 113224322 |
oct | 32503172 |
9 | 14120415 |
10 | 6981242 |
11 | 3a39124 |
12 | 24080a2 |
13 | 15a5818 |
14 | cda282 |
15 | 92d7b2 |
hex | 6a867a |
6981242 has 8 divisors (see below), whose sum is σ = 10532916. Its totient is φ = 3470272.
The previous prime is 6981229. The next prime is 6981251. The reversal of 6981242 is 2421896.
It can be written as a sum of positive squares in 2 ways, for example, as 6205081 + 776161 = 2491^2 + 881^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 6981199 and 6981208.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9743 + ... + 10434.
Almost surely, 26981242 is an apocalyptic number.
6981242 is a deficient number, since it is larger than the sum of its proper divisors (3551674).
6981242 is a wasteful number, since it uses less digits than its factorization.
6981242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20352.
The product of its digits is 6912, while the sum is 32.
The square root of 6981242 is about 2642.2040042359. The cubic root of 6981242 is about 191.1220951211.
The spelling of 6981242 in words is "six million, nine hundred eighty-one thousand, two hundred forty-two".
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