Base | Representation |
---|---|
bin | 1000001100100… |
… | …11000110001000 |
3 | 11210101100220121 |
4 | 10012103012020 |
5 | 120100304234 |
6 | 10453433024 |
7 | 1463310211 |
oct | 406230610 |
9 | 153340817 |
10 | 68759944 |
11 | 358a4400 |
12 | 1b03b774 |
13 | 11326276 |
14 | 91bc408 |
15 | 60834b4 |
hex | 4193188 |
68759944 has 48 divisors (see below), whose sum is σ = 142778160. Its totient is φ = 31020000.
The previous prime is 68759927. The next prime is 68759969. The reversal of 68759944 is 44995786.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 68759891 and 68759900.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242827 + ... + 243109.
It is an arithmetic number, because the mean of its divisors is an integer number (2974545).
Almost surely, 268759944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68759944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71389080).
68759944 is an abundant number, since it is smaller than the sum of its proper divisors (74018216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68759944 is a wasteful number, since it uses less digits than its factorization.
68759944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 562 (or 547 counting only the distinct ones).
The product of its digits is 2177280, while the sum is 52.
The square root of 68759944 is about 8292.1615999690. The cubic root of 68759944 is about 409.6803854529.
The spelling of 68759944 in words is "sixty-eight million, seven hundred fifty-nine thousand, nine hundred forty-four".
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