Base | Representation |
---|---|
bin | 1000001011001… |
… | …10111100011100 |
3 | 11210001011211200 |
4 | 10011212330130 |
5 | 120024012400 |
6 | 10445515500 |
7 | 1461625032 |
oct | 405467434 |
9 | 153034750 |
10 | 68579100 |
11 | 35790547 |
12 | 1ab72b90 |
13 | 11291b65 |
14 | 9172552 |
15 | 6049b00 |
hex | 4166f1c |
68579100 has 108 divisors (see below), whose sum is σ = 224371056. Its totient is φ = 17487360.
The previous prime is 68579089. The next prime is 68579117. The reversal of 68579100 is 197586.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19044 + ... + 22356.
Almost surely, 268579100 is an apocalyptic number.
68579100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68579100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112185528).
68579100 is an abundant number, since it is smaller than the sum of its proper divisors (155791956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68579100 is a wasteful number, since it uses less digits than its factorization.
68579100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3356 (or 3346 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
The square root of 68579100 is about 8281.2499056604. The cubic root of 68579100 is about 409.3209063580.
The spelling of 68579100 in words is "sixty-eight million, five hundred seventy-nine thousand, one hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •