Base | Representation |
---|---|
bin | 11010110100100000111000 |
3 | 111020012111111 |
4 | 122310200320 |
5 | 3244441330 |
6 | 410410104 |
7 | 113522035 |
oct | 32644070 |
9 | 14205444 |
10 | 7030840 |
11 | 3a72413 |
12 | 2430934 |
13 | 15c227b |
14 | d1038c |
15 | 93d32a |
hex | 6b4838 |
7030840 has 32 divisors (see below), whose sum is σ = 15947280. Its totient is φ = 2789632.
The previous prime is 7030823. The next prime is 7030841. The reversal of 7030840 is 480307.
It is a super-2 number, since 2×70308402 = 98865422211200, which contains 22 as substring.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7030841) 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, 4839 + ... + 6121.
Almost surely, 27030840 is an apocalyptic number.
It is an amenable number.
7030840 is an abundant number, since it is smaller than the sum of its proper divisors (8916440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7030840 is a wasteful number, since it uses less digits than its factorization.
7030840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1431 (or 1427 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 7030840 is about 2651.5731179811. The cubic root of 7030840 is about 191.5736343298.
The spelling of 7030840 in words is "seven million, thirty thousand, eight hundred forty".
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