Base | Representation |
---|---|
bin | 1000001011000… |
… | …01011011010010 |
3 | 11210000000211120 |
4 | 10011201123102 |
5 | 120022301443 |
6 | 10445223110 |
7 | 1461502113 |
oct | 405413322 |
9 | 153000746 |
10 | 68556498 |
11 | 3577556a |
12 | 1ab61a96 |
13 | 1128479a |
14 | 916820a |
15 | 6043083 |
hex | 41616d2 |
68556498 has 8 divisors (see below), whose sum is σ = 137113008. Its totient is φ = 22852164.
The previous prime is 68556487. The next prime is 68556517. The reversal of 68556498 is 89465586.
It is a sphenic number, since it is the product of 3 distinct primes.
68556498 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 68556498.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5713036 + ... + 5713047.
It is an arithmetic number, because the mean of its divisors is an integer number (17139126).
Almost surely, 268556498 is an apocalyptic number.
68556498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68556498 is a wasteful number, since it uses less digits than its factorization.
68556498 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11426088.
The product of its digits is 2073600, while the sum is 51.
The square root of 68556498 is about 8279.8851441309. The cubic root of 68556498 is about 409.2759340187.
The spelling of 68556498 in words is "sixty-eight million, five hundred fifty-six thousand, four hundred ninety-eight".
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