Base | Representation |
---|---|
bin | 1000001000010… |
… | …01010001100000 |
3 | 11202022200112110 |
4 | 10010021101200 |
5 | 114424223144 |
6 | 10433355320 |
7 | 1455436323 |
oct | 404112140 |
9 | 152280473 |
10 | 68195424 |
11 | 35549260 |
12 | 1aa08b40 |
13 | 1118932b |
14 | 90b27ba |
15 | 5ec10b9 |
hex | 4109460 |
68195424 has 48 divisors (see below), whose sum is σ = 195289920. Its totient is φ = 20664960.
The previous prime is 68195419. The next prime is 68195441. The reversal of 68195424 is 42459186.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31234 + ... + 33345.
It is an arithmetic number, because the mean of its divisors is an integer number (4068540).
Almost surely, 268195424 is an apocalyptic number.
It is an amenable number.
68195424 is an abundant number, since it is smaller than the sum of its proper divisors (127094496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68195424 is a wasteful number, since it uses less digits than its factorization.
68195424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64603 (or 64595 counting only the distinct ones).
The product of its digits is 69120, while the sum is 39.
The square root of 68195424 is about 8258.0520705551. The cubic root of 68195424 is about 408.5561427720.
The spelling of 68195424 in words is "sixty-eight million, one hundred ninety-five thousand, four hundred twenty-four".
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