Base | Representation |
---|---|
bin | 1000001010000… |
… | …01001001001110 |
3 | 11202202022110020 |
4 | 10011001021032 |
5 | 120004034040 |
6 | 10442323010 |
7 | 1460411445 |
oct | 405011116 |
9 | 152668406 |
10 | 68424270 |
11 | 35695192 |
12 | 1aab9466 |
13 | 11239545 |
14 | 9131d5c |
15 | 6018cd0 |
hex | 414124e |
68424270 has 32 divisors (see below), whose sum is σ = 166302720. Its totient is φ = 18014880.
The previous prime is 68424259. The next prime is 68424271. The reversal of 68424270 is 7242486.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68424271) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12066 + ... + 16805.
It is an arithmetic number, because the mean of its divisors is an integer number (5196960).
Almost surely, 268424270 is an apocalyptic number.
68424270 is an abundant number, since it is smaller than the sum of its proper divisors (97878450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68424270 is a wasteful number, since it uses less digits than its factorization.
68424270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28960.
The product of its (nonzero) digits is 21504, while the sum is 33.
The square root of 68424270 is about 8271.8963968367. The cubic root of 68424270 is about 409.0126350355.
The spelling of 68424270 in words is "sixty-eight million, four hundred twenty-four thousand, two hundred seventy".
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