Base | Representation |
---|---|
bin | 1000001011010… |
… | …00100010011001 |
3 | 11210001111210100 |
4 | 10011220202121 |
5 | 120024220000 |
6 | 10450010013 |
7 | 1461653043 |
oct | 405504231 |
9 | 153044710 |
10 | 68585625 |
11 | 35795439 |
12 | 1ab76909 |
13 | 11294b14 |
14 | 9174a93 |
15 | 604ba00 |
hex | 4168899 |
68585625 has 60 divisors (see below), whose sum is σ = 126100260. Its totient is φ = 35904000.
The previous prime is 68585623. The next prime is 68585641. The reversal of 68585625 is 52658586.
68585625 is a `hidden beast` number, since 6 + 8 + 585 + 62 + 5 = 666.
It can be written as a sum of positive squares in 10 ways, for example, as 59166864 + 9418761 = 7692^2 + 3069^2 .
It is not a de Polignac number, because 68585625 - 21 = 68585623 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (68585623) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 500557 + ... + 500693.
It is an arithmetic number, because the mean of its divisors is an integer number (2101671).
Almost surely, 268585625 is an apocalyptic number.
It is an amenable number.
68585625 is a deficient number, since it is larger than the sum of its proper divisors (57514635).
68585625 is a wasteful number, since it uses less digits than its factorization.
68585625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252 (or 234 counting only the distinct ones).
The product of its digits is 576000, while the sum is 45.
The square root of 68585625 is about 8281.6438585585. The cubic root of 68585625 is about 409.3338876414. Note that the first 3 decimals are identical.
The spelling of 68585625 in words is "sixty-eight million, five hundred eighty-five thousand, six hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •