Base | Representation |
---|---|
bin | 11011000000110010100101 |
3 | 111022202110220 |
4 | 123000302211 |
5 | 3303044000 |
6 | 411434553 |
7 | 114121452 |
oct | 33006245 |
9 | 14282426 |
10 | 7081125 |
11 | 3aa7177 |
12 | 2455a59 |
13 | 160c11c |
14 | d24829 |
15 | 94d1a0 |
hex | 6c0ca5 |
7081125 has 32 divisors (see below), whose sum is σ = 12310272. Its totient is φ = 3608000.
The previous prime is 7081117. The next prime is 7081157. The reversal of 7081125 is 5211807.
It is not a de Polignac number, because 7081125 - 23 = 7081117 is a prime.
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 7081095 and 7081104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8215 + ... + 9035.
It is an arithmetic number, because the mean of its divisors is an integer number (384696).
Almost surely, 27081125 is an apocalyptic number.
7081125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7081125 is a deficient number, since it is larger than the sum of its proper divisors (5229147).
7081125 is a wasteful number, since it uses less digits than its factorization.
7081125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 862 (or 852 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 24.
The square root of 7081125 is about 2661.0383311783. The cubic root of 7081125 is about 192.0292652873.
The spelling of 7081125 in words is "seven million, eighty-one thousand, one hundred twenty-five".
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