Base | Representation |
---|---|
bin | 11011101011011001001001 |
3 | 111122121211212 |
4 | 123223121021 |
5 | 3324140000 |
6 | 415302505 |
7 | 115446266 |
oct | 33533111 |
9 | 14577755 |
10 | 7255625 |
11 | 4106293 |
12 | 251aa35 |
13 | 1670690 |
14 | d6c26d |
15 | 984c35 |
hex | 6eb649 |
7255625 has 40 divisors (see below), whose sum is σ = 10496640. Its totient is φ = 4968000.
The previous prime is 7255621. The next prime is 7255627. The reversal of 7255625 is 5265527.
It is not a de Polignac number, because 7255625 - 22 = 7255621 is a prime.
Its product of digits (21000) is a multiple of the sum of its prime divisors (84).
It is a junction number, because it is equal to n+sod(n) for n = 7255591 and 7255600.
It is not an unprimeable number, because it can be changed into a prime (7255621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 154352 + ... + 154398.
It is an arithmetic number, because the mean of its divisors is an integer number (262416).
Almost surely, 27255625 is an apocalyptic number.
It is an amenable number.
7255625 is a deficient number, since it is larger than the sum of its proper divisors (3241015).
7255625 is a wasteful number, since it uses less digits than its factorization.
7255625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99 (or 84 counting only the distinct ones).
The product of its digits is 21000, while the sum is 32.
The square root of 7255625 is about 2693.6267373190. The cubic root of 7255625 is about 193.5938735312.
The spelling of 7255625 in words is "seven million, two hundred fifty-five thousand, six hundred twenty-five".
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