Base | Representation |
---|---|
bin | 11010110100000001000101 |
3 | 111020002201010 |
4 | 122310001011 |
5 | 3244410210 |
6 | 410352433 |
7 | 113513100 |
oct | 32640105 |
9 | 14202633 |
10 | 7028805 |
11 | 3a70933 |
12 | 242b719 |
13 | 15c1374 |
14 | d0d737 |
15 | 93c920 |
hex | 6b4045 |
7028805 has 48 divisors (see below), whose sum is σ = 13362624. Its totient is φ = 3144960.
The previous prime is 7028797. The next prime is 7028831. The reversal of 7028805 is 5088207.
It is not a de Polignac number, because 7028805 - 23 = 7028797 is a prime.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53590 + ... + 53720.
It is an arithmetic number, because the mean of its divisors is an integer number (278388).
Almost surely, 27028805 is an apocalyptic number.
It is an amenable number.
7028805 is a deficient number, since it is larger than the sum of its proper divisors (6333819).
7028805 is a wasteful number, since it uses less digits than its factorization.
7028805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226 (or 219 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 7028805 is about 2651.1893557421. The cubic root of 7028805 is about 191.5551495795. Note that the first 3 decimals are identical.
The spelling of 7028805 in words is "seven million, twenty-eight thousand, eight hundred five".
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