Base | Representation |
---|---|
bin | 1000000100001… |
… | …00010001000001 |
3 | 11201022000012201 |
4 | 10002010101001 |
5 | 114304310000 |
6 | 10413553201 |
7 | 1451010100 |
oct | 402042101 |
9 | 151260181 |
10 | 67650625 |
11 | 35206a09 |
12 | 1a7a5801 |
13 | 11028373 |
14 | 8db0037 |
15 | 5e1496a |
hex | 4084441 |
67650625 has 45 divisors (see below), whose sum is σ = 100474869. Its totient is φ = 45402000.
The previous prime is 67650593. The next prime is 67650629. The reversal of 67650625 is 52605676.
The square root of 67650625 is 8225.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 2 ways, for example, as 5303809 + 62346816 = 2303^2 + 7896^2 .
It is not a de Polignac number, because 67650625 - 25 = 67650593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67650629) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1439352 + ... + 1439398.
Almost surely, 267650625 is an apocalyptic number.
67650625 is the 8225-th square number.
67650625 is the 4113-rd centered octagonal number.
It is an amenable number.
67650625 is a deficient number, since it is larger than the sum of its proper divisors (32824244).
67650625 is an frugal number, since it uses more digits than its factorization.
67650625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128 (or 59 counting only the distinct ones).
The product of its (nonzero) digits is 75600, while the sum is 37.
The cubic root of 67650625 is about 407.4652761258.
It can be divided in two parts, 676 and 50625, that multiplied together give a square (34222500 = 58502).
The spelling of 67650625 in words is "sixty-seven million, six hundred fifty thousand, six hundred twenty-five".
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