Base | Representation |
---|---|
bin | 1000001010110… |
… | …00110110010010 |
3 | 11202221020122020 |
4 | 10011120312102 |
5 | 120020140422 |
6 | 10444352310 |
7 | 1461264510 |
oct | 405306622 |
9 | 152836566 |
10 | 68521362 |
11 | 35751128 |
12 | 1ab45696 |
13 | 112717b0 |
14 | 91594b0 |
15 | 603795c |
hex | 4158d92 |
68521362 has 32 divisors (see below), whose sum is σ = 168669312. Its totient is φ = 18071424.
The previous prime is 68521357. The next prime is 68521363. The reversal of 68521362 is 26312586.
It is not an unprimeable number, because it can be changed into a prime (68521363) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62203 + ... + 63294.
It is an arithmetic number, because the mean of its divisors is an integer number (5270916).
Almost surely, 268521362 is an apocalyptic number.
68521362 is an abundant number, since it is smaller than the sum of its proper divisors (100147950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68521362 is a wasteful number, since it uses less digits than its factorization.
68521362 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125522.
The product of its digits is 17280, while the sum is 33.
The square root of 68521362 is about 8277.7631036410. The cubic root of 68521362 is about 409.2060025168.
The spelling of 68521362 in words is "sixty-eight million, five hundred twenty-one thousand, three hundred sixty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •