Base | Representation |
---|---|
bin | 11111100011001100100001 |
3 | 120120012011110 |
4 | 133203030201 |
5 | 4104130000 |
6 | 453133533 |
7 | 130204416 |
oct | 37431441 |
9 | 16505143 |
10 | 8270625 |
11 | 4739930 |
12 | 292a2a9 |
13 | 193767c |
14 | 115410d |
15 | ad5850 |
hex | 7e3321 |
8270625 has 40 divisors (see below), whose sum is σ = 15070176. Its totient is φ = 4000000.
The previous prime is 8270623. The next prime is 8270671. The reversal of 8270625 is 5260728.
It is not a de Polignac number, because 8270625 - 21 = 8270623 is a prime.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 8270592 and 8270601.
It is not an unprimeable number, because it can be changed into a prime (8270623) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20425 + ... + 20825.
Almost surely, 28270625 is an apocalyptic number.
It is an amenable number.
8270625 is a deficient number, since it is larger than the sum of its proper divisors (6799551).
8270625 is a wasteful number, since it uses less digits than its factorization.
8270625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 435 (or 420 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 8270625 is about 2875.8694337539. The cubic root of 8270625 is about 202.2302459057.
It can be divided in two parts, 82 and 70625, that added together give a palindrome (70707).
The spelling of 8270625 in words is "eight million, two hundred seventy thousand, six hundred twenty-five".
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