Base | Representation |
---|---|
bin | 1000000111101… |
… | …00111101111010 |
3 | 11202011110102221 |
4 | 10003310331322 |
5 | 114414043000 |
6 | 10431514254 |
7 | 1454641663 |
oct | 403647572 |
9 | 152143387 |
10 | 68112250 |
11 | 354a1818 |
12 | 1a98898a |
13 | 1115a50b |
14 | 909036a |
15 | 5ea661a |
hex | 40f4f7a |
68112250 has 16 divisors (see below), whose sum is σ = 127506600. Its totient is φ = 27244800.
The previous prime is 68112229. The next prime is 68112257. The reversal of 68112250 is 5221186.
It can be written as a sum of positive squares in 4 ways, for example, as 28912129 + 39200121 = 5377^2 + 6261^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (68112257) 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, 135975 + ... + 136474.
Almost surely, 268112250 is an apocalyptic number.
68112250 is a deficient number, since it is larger than the sum of its proper divisors (59394350).
68112250 is a wasteful number, since it uses less digits than its factorization.
68112250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272466 (or 272456 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 68112250 is about 8253.0146007383. The cubic root of 68112250 is about 408.3899777960.
The spelling of 68112250 in words is "sixty-eight million, one hundred twelve thousand, two hundred fifty".
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