Base | Representation |
---|---|
bin | 1000001101010… |
… | …01101110111000 |
3 | 11210120002002200 |
4 | 10012221232320 |
5 | 120111241124 |
6 | 10455430200 |
7 | 1464144426 |
oct | 406515670 |
9 | 153502080 |
10 | 68852664 |
11 | 35958031 |
12 | 1b085360 |
13 | 1135952a |
14 | 9204116 |
15 | 60a0bc9 |
hex | 41a9bb8 |
68852664 has 48 divisors (see below), whose sum is σ = 187694520. Its totient is φ = 22800960.
The previous prime is 68852647. The next prime is 68852689. The reversal of 68852664 is 46625886.
68852664 = T499 + T500 + ... + T812.
68852664 is a `hidden beast` number, since 68 + 8 + 526 + 64 = 666.
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 11 ways as a sum of consecutive naturals, for example, 8259 + ... + 14349.
Almost surely, 268852664 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 68852664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93847260).
68852664 is an abundant number, since it is smaller than the sum of its proper divisors (118841856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68852664 is a wasteful number, since it uses less digits than its factorization.
68852664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6260 (or 6253 counting only the distinct ones).
The product of its digits is 552960, while the sum is 45.
The square root of 68852664 is about 8297.7505385496. The cubic root of 68852664 is about 409.8644485470.
The spelling of 68852664 in words is "sixty-eight million, eight hundred fifty-two thousand, six hundred sixty-four".
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