Base | Representation |
---|---|
bin | 1000001110000… |
… | …00101000001100 |
3 | 11210201211202000 |
4 | 10013000220030 |
5 | 120122241234 |
6 | 10501432300 |
7 | 1465015020 |
oct | 407005014 |
9 | 153654660 |
10 | 68946444 |
11 | 35a11536 |
12 | 1b10b690 |
13 | 11390118 |
14 | 922a380 |
15 | 60bd899 |
hex | 41c0a0c |
68946444 has 48 divisors (see below), whose sum is σ = 204288000. Its totient is φ = 19698768.
The previous prime is 68946419. The next prime is 68946463. The reversal of 68946444 is 44464986.
It is a super-2 number, since 2×689464442 = 9507224280490272, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 68946444.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44844 + ... + 46355.
It is an arithmetic number, because the mean of its divisors is an integer number (4256000).
Almost surely, 268946444 is an apocalyptic number.
It is an amenable number.
68946444 is an abundant number, since it is smaller than the sum of its proper divisors (135341556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68946444 is a wasteful number, since it uses less digits than its factorization.
68946444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91219 (or 91211 counting only the distinct ones).
The product of its digits is 663552, while the sum is 45.
The square root of 68946444 is about 8303.3995447648. The cubic root of 68946444 is about 410.0504478872.
The spelling of 68946444 in words is "sixty-eight million, nine hundred forty-six thousand, four hundred forty-four".
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