Base | Representation |
---|---|
bin | 11010110011111110010001 |
3 | 111020002110110 |
4 | 122303332101 |
5 | 3244404000 |
6 | 410351533 |
7 | 113512422 |
oct | 32637621 |
9 | 14202413 |
10 | 7028625 |
11 | 3a7078a |
12 | 242b5a9 |
13 | 15c1266 |
14 | d0d649 |
15 | 93c850 |
hex | 6b3f91 |
7028625 has 16 divisors (see below), whose sum is σ = 11696256. Its totient is φ = 3748400.
The previous prime is 7028591. The next prime is 7028627. The reversal of 7028625 is 5268207.
It is not a de Polignac number, because 7028625 - 211 = 7026577 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7028592 and 7028601.
It is not an unprimeable number, because it can be changed into a prime (7028627) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8997 + ... + 9746.
It is an arithmetic number, because the mean of its divisors is an integer number (731016).
Almost surely, 27028625 is an apocalyptic number.
7028625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7028625 is a deficient number, since it is larger than the sum of its proper divisors (4667631).
7028625 is a wasteful number, since it uses less digits than its factorization.
7028625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18761 (or 18751 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 7028625 is about 2651.1554084965. The cubic root of 7028625 is about 191.5535143930.
The spelling of 7028625 in words is "seven million, twenty-eight thousand, six hundred twenty-five".
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