Base | Representation |
---|---|
bin | 11101001010001111011101 |
3 | 112101100202202 |
4 | 131022033131 |
5 | 3424103000 |
6 | 431501245 |
7 | 121655036 |
oct | 35121735 |
9 | 15340682 |
10 | 7644125 |
11 | 4351165 |
12 | 2687825 |
13 | 1778468 |
14 | 102da8d |
15 | a0edd5 |
hex | 74a3dd |
7644125 has 8 divisors (see below), whose sum is σ = 9540024. Its totient is φ = 6115200.
The previous prime is 7644107. The next prime is 7644157. The reversal of 7644125 is 5214467.
7644125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 131044 + 7513081 = 362^2 + 2741^2 .
It is not a de Polignac number, because 7644125 - 28 = 7643869 is a prime.
It is a d-powerful number, because it can be written as 77 + 67 + 49 + 411 + 1 + 217 + 59 .
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30452 + ... + 30701.
It is an arithmetic number, because the mean of its divisors is an integer number (1192503).
Almost surely, 27644125 is an apocalyptic number.
It is an amenable number.
7644125 is a deficient number, since it is larger than the sum of its proper divisors (1895899).
7644125 is an equidigital number, since it uses as much as digits as its factorization.
7644125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61168 (or 61158 counting only the distinct ones).
The product of its digits is 6720, while the sum is 29.
The square root of 7644125 is about 2764.8010778354. The cubic root of 7644125 is about 196.9892802536.
The spelling of 7644125 in words is "seven million, six hundred forty-four thousand, one hundred twenty-five".
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