Base | Representation |
---|---|
bin | 1000001011011… |
… | …00000110100001 |
3 | 11210002020211002 |
4 | 10011230012201 |
5 | 120030201400 |
6 | 10450201345 |
7 | 1462043441 |
oct | 405540641 |
9 | 153066732 |
10 | 68600225 |
11 | 357a5401 |
12 | 1ab83255 |
13 | 1129b665 |
14 | 917a121 |
15 | 6050ed5 |
hex | 416c1a1 |
68600225 has 12 divisors (see below), whose sum is σ = 87998460. Its totient is φ = 52987200.
The previous prime is 68600197. The next prime is 68600227. The reversal of 68600225 is 52200686.
It can be written as a sum of positive squares in 6 ways, for example, as 9740641 + 58859584 = 3121^2 + 7672^2 .
It is not a de Polignac number, because 68600225 - 214 = 68583841 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is not an unprimeable number, because it can be changed into a prime (68600227) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46586 + ... + 48035.
It is an arithmetic number, because the mean of its divisors is an integer number (7333205).
Almost surely, 268600225 is an apocalyptic number.
It is an amenable number.
68600225 is a deficient number, since it is larger than the sum of its proper divisors (19398235).
68600225 is a wasteful number, since it uses less digits than its factorization.
68600225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94660 (or 94655 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 68600225 is about 8282.5252791646. The cubic root of 68600225 is about 409.3629309030.
The spelling of 68600225 in words is "sixty-eight million, six hundred thousand, two hundred twenty-five".
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