Base | Representation |
---|---|
bin | 1000001101010… |
… | …10010010010100 |
3 | 11210120012012200 |
4 | 10012222102110 |
5 | 120111324212 |
6 | 10455444500 |
7 | 1464154146 |
oct | 406522224 |
9 | 153505180 |
10 | 68854932 |
11 | 35959803 |
12 | 1b086730 |
13 | 1135a583 |
14 | 9204c96 |
15 | 60a16dc |
hex | 41aa494 |
68854932 has 72 divisors (see below), whose sum is σ = 182112840. Its totient is φ = 21907200.
The previous prime is 68854921. The next prime is 68854957. The reversal of 68854932 is 23945886.
It can be written as a sum of positive squares in 4 ways, for example, as 19236996 + 49617936 = 4386^2 + 7044^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105118 + ... + 105770.
It is an arithmetic number, because the mean of its divisors is an integer number (2529345).
Almost surely, 268854932 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 68854932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91056420).
68854932 is an abundant number, since it is smaller than the sum of its proper divisors (113257908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68854932 is a wasteful number, since it uses less digits than its factorization.
68854932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 793 (or 788 counting only the distinct ones).
The product of its digits is 414720, while the sum is 45.
The square root of 68854932 is about 8297.8872009687. The cubic root of 68854932 is about 409.8689487958.
The spelling of 68854932 in words is "sixty-eight million, eight hundred fifty-four thousand, nine hundred thirty-two".
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