Base | Representation |
---|---|
bin | 11100100011011001100001 |
3 | 112002021112011 |
4 | 130203121201 |
5 | 3404010100 |
6 | 424232521 |
7 | 120423142 |
oct | 34433141 |
9 | 15067464 |
10 | 7485025 |
11 | 4252679 |
12 | 260b741 |
13 | 1720c12 |
14 | dcbac9 |
15 | 9ccbba |
hex | 723661 |
7485025 has 6 divisors (see below), whose sum is σ = 9281462. Its totient is φ = 5988000.
The previous prime is 7485019. The next prime is 7485047. The reversal of 7485025 is 5205847.
It can be written as a sum of positive squares in 3 ways, for example, as 388129 + 7096896 = 623^2 + 2664^2 .
It is not a de Polignac number, because 7485025 - 29 = 7484513 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149676 + ... + 149725.
Almost surely, 27485025 is an apocalyptic number.
It is an amenable number.
7485025 is a deficient number, since it is larger than the sum of its proper divisors (1796437).
7485025 is a wasteful number, since it uses less digits than its factorization.
7485025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 299411 (or 299406 counting only the distinct ones).
The product of its (nonzero) digits is 11200, while the sum is 31.
The square root of 7485025 is about 2735.8773729829. The cubic root of 7485025 is about 195.6130171594.
The spelling of 7485025 in words is "seven million, four hundred eighty-five thousand, twenty-five".
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