Base | Representation |
---|---|
bin | 11010111101100111110000 |
3 | 111022002200010 |
4 | 122331213300 |
5 | 3302140034 |
6 | 411254520 |
7 | 114035556 |
oct | 32754760 |
9 | 14262603 |
10 | 7068144 |
11 | 3a98446 |
12 | 244a440 |
13 | 1606245 |
14 | d1dbd6 |
15 | 9493e9 |
hex | 6bd9f0 |
7068144 has 20 divisors (see below), whose sum is σ = 18259496. Its totient is φ = 2356032.
The previous prime is 7068143. The next prime is 7068157. The reversal of 7068144 is 4418607.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7068143) 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, 73579 + ... + 73674.
Almost surely, 27068144 is an apocalyptic number.
It is an amenable number.
7068144 is an abundant number, since it is smaller than the sum of its proper divisors (11191352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7068144 is a wasteful number, since it uses less digits than its factorization.
7068144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147264 (or 147258 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 7068144 is about 2658.5981268330. The cubic root of 7068144 is about 191.9118518981.
The spelling of 7068144 in words is "seven million, sixty-eight thousand, one hundred forty-four".
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