Base | Representation |
---|---|
bin | 1000001000011… |
… | …00111001001100 |
3 | 11202100102212122 |
4 | 10010030321030 |
5 | 114430212002 |
6 | 10433552112 |
7 | 1455530465 |
oct | 404147114 |
9 | 152312778 |
10 | 68210252 |
11 | 35559410 |
12 | 1aa15638 |
13 | 11192cc6 |
14 | 90b7d6c |
15 | 5ec56a2 |
hex | 410ce4c |
68210252 has 12 divisors (see below), whose sum is σ = 130219656. Its totient is φ = 31004640.
The previous prime is 68210237. The next prime is 68210257. The reversal of 68210252 is 25201286.
It is not an unprimeable number, because it can be changed into a prime (68210257) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775073 + ... + 775160.
It is an arithmetic number, because the mean of its divisors is an integer number (10851638).
Almost surely, 268210252 is an apocalyptic number.
It is an amenable number.
68210252 is a deficient number, since it is larger than the sum of its proper divisors (62009404).
68210252 is a wasteful number, since it uses less digits than its factorization.
68210252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1550248 (or 1550246 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 68210252 is about 8258.9498121735. The cubic root of 68210252 is about 408.5857519505.
The spelling of 68210252 in words is "sixty-eight million, two hundred ten thousand, two hundred fifty-two".
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