Base | Representation |
---|---|
bin | 11010110011111001100101 |
3 | 111020002001100 |
4 | 122303321211 |
5 | 3244401300 |
6 | 410350313 |
7 | 113511513 |
oct | 32637145 |
9 | 14202040 |
10 | 7028325 |
11 | 3a70537 |
12 | 242b399 |
13 | 15c1095 |
14 | d0d4b3 |
15 | 93c700 |
hex | 6b3e65 |
7028325 has 18 divisors (see below), whose sum is σ = 12588914. Its totient is φ = 3748320.
The previous prime is 7028323. The next prime is 7028339. The reversal of 7028325 is 5238207.
It can be written as a sum of positive squares in 3 ways, for example, as 1425636 + 5602689 = 1194^2 + 2367^2 .
It is not a de Polignac number, because 7028325 - 21 = 7028323 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7028323) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15394 + ... + 15843.
Almost surely, 27028325 is an apocalyptic number.
7028325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7028325 is a deficient number, since it is larger than the sum of its proper divisors (5560589).
7028325 is a wasteful number, since it uses less digits than its factorization.
7028325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31253 (or 31245 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 7028325 is about 2651.0988287878. The cubic root of 7028325 is about 191.5507890201.
The spelling of 7028325 in words is "seven million, twenty-eight thousand, three hundred twenty-five".
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