Base | Representation |
---|---|
bin | 1000001101111… |
… | …11100110101010 |
3 | 11210201121222200 |
4 | 10012333212222 |
5 | 120122123000 |
6 | 10501401030 |
7 | 1464666546 |
oct | 406774652 |
9 | 153647880 |
10 | 68942250 |
11 | 35a09373 |
12 | 1b109176 |
13 | 1138b240 |
14 | 9228a26 |
15 | 60bc500 |
hex | 41bf9aa |
68942250 has 96 divisors (see below), whose sum is σ = 200845008. Its totient is φ = 16963200.
The previous prime is 68942243. The next prime is 68942353. The reversal of 68942250 is 5224986.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 2405601 + 66536649 = 1551^2 + 8157^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28072 + ... + 30428.
Almost surely, 268942250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68942250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100422504).
68942250 is an abundant number, since it is smaller than the sum of its proper divisors (131902758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68942250 is a wasteful number, since it uses less digits than its factorization.
68942250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2393 (or 2380 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 68942250 is about 8303.1469937609. The cubic root of 68942250 is about 410.0421332866.
The spelling of 68942250 in words is "sixty-eight million, nine hundred forty-two thousand, two hundred fifty".
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