Base | Representation |
---|---|
bin | 1000001011111… |
… | …10011010011001 |
3 | 11210020001200212 |
4 | 10011332122121 |
5 | 120040101400 |
6 | 10451540505 |
7 | 1462505213 |
oct | 405763231 |
9 | 153201625 |
10 | 68675225 |
11 | 35846793 |
12 | 1abba735 |
13 | 112c6838 |
14 | 91995b3 |
15 | 6068335 |
hex | 417e699 |
68675225 has 24 divisors (see below), whose sum is σ = 87696768. Its totient is φ = 53323200.
The previous prime is 68675221. The next prime is 68675237. The reversal of 68675225 is 52257686.
It is not a de Polignac number, because 68675225 - 22 = 68675221 is a prime.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68675221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247787 + ... + 248063.
It is an arithmetic number, because the mean of its divisors is an integer number (3654032).
Almost surely, 268675225 is an apocalyptic number.
It is an amenable number.
68675225 is a deficient number, since it is larger than the sum of its proper divisors (19021543).
68675225 is a wasteful number, since it uses less digits than its factorization.
68675225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 545 (or 540 counting only the distinct ones).
The product of its digits is 201600, while the sum is 41.
The square root of 68675225 is about 8287.0516469973. The cubic root of 68675225 is about 409.5120608211.
The spelling of 68675225 in words is "sixty-eight million, six hundred seventy-five thousand, two hundred twenty-five".
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