Base | Representation |
---|---|
bin | 100101010000001… |
… | …011111010000001 |
3 | 1121120001021220120 |
4 | 211100023322001 |
5 | 2240000000230 |
6 | 142003530453 |
7 | 21326261424 |
oct | 4520137201 |
9 | 1546037816 |
10 | 625000065 |
11 | 2a0883888 |
12 | 155389a29 |
13 | 9c63cb31 |
14 | 5d0139bb |
15 | 39d0a310 |
hex | 2540be81 |
625000065 has 8 divisors (see below), whose sum is σ = 1000000128. Its totient is φ = 333333360.
The previous prime is 625000049. The next prime is 625000067. The reversal of 625000065 is 560000526.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 625000065 - 24 = 625000049 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 624999999 and 625000044.
It is not an unprimeable number, because it can be changed into a prime (625000067) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20833321 + ... + 20833350.
It is an arithmetic number, because the mean of its divisors is an integer number (125000016).
Almost surely, 2625000065 is an apocalyptic number.
It is an amenable number.
625000065 is a deficient number, since it is larger than the sum of its proper divisors (375000063).
625000065 is a wasteful number, since it uses less digits than its factorization.
625000065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41666679.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 625000065 is about 25000.0013000000. The cubic root of 625000065 is about 854.9880029779.
The spelling of 625000065 in words is "six hundred twenty-five million, sixty-five", and thus it is an aban number.
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