Base | Representation |
---|---|
bin | 11011100111001001010001 |
3 | 111121201222102 |
4 | 123213021101 |
5 | 3323110400 |
6 | 415050145 |
7 | 115344461 |
oct | 33471121 |
9 | 14551872 |
10 | 7238225 |
11 | 40a4205 |
12 | 2510955 |
13 | 1665797 |
14 | d65ba1 |
15 | 97e9d5 |
hex | 6e7251 |
7238225 has 12 divisors (see below), whose sum is σ = 9009840. Its totient is φ = 5768400.
The previous prime is 7238207. The next prime is 7238267. The reversal of 7238225 is 5228327.
It is not a de Polignac number, because 7238225 - 28 = 7237969 is a prime.
It is a d-powerful number, because it can be written as 75 + 22 + 314 + 86 + 210 + 221 + 57 .
Its product of digits (6720) is a multiple of the sum of its prime factors (1120).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10130 + ... + 10820.
It is an arithmetic number, because the mean of its divisors is an integer number (750820).
Almost surely, 27238225 is an apocalyptic number.
It is an amenable number.
7238225 is a deficient number, since it is larger than the sum of its proper divisors (1771615).
7238225 is a wasteful number, since it uses less digits than its factorization.
7238225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1120 (or 1115 counting only the distinct ones).
The product of its digits is 6720, while the sum is 29.
The square root of 7238225 is about 2690.3949524187. The cubic root of 7238225 is about 193.4389946278.
The spelling of 7238225 in words is "seven million, two hundred thirty-eight thousand, two hundred twenty-five".
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