Base | Representation |
---|---|
bin | 1000001011010… |
… | …01100110110000 |
3 | 11210001201210101 |
4 | 10011221212300 |
5 | 120024340000 |
6 | 10450042144 |
7 | 1462001563 |
oct | 405514660 |
9 | 153051711 |
10 | 68590000 |
11 | 35798756 |
12 | 1ab79354 |
13 | 11296acb |
14 | 91764da |
15 | 604ce6a |
hex | 41699b0 |
68590000 has 100 divisors (see below), whose sum is σ = 175287640. Its totient is φ = 25992000.
The previous prime is 68589991. The next prime is 68590013. The reversal of 68590000 is 9586.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is a tau number, because it is divible by the number of its divisors (100).
It is a super-3 number, since 3×685900003 (a number of 24 digits) contains 333 as substring.
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 19 ways as a sum of consecutive naturals, for example, 3609991 + ... + 3610009.
Almost surely, 268590000 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 68590000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87643820).
68590000 is an abundant number, since it is smaller than the sum of its proper divisors (106697640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68590000 is an frugal number, since it uses more digits than its factorization.
68590000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85 (or 26 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 68590000 is about 8281.9079927273. The cubic root of 68590000 is about 409.3425911061.
Adding to 68590000 its reverse (9586), we get a palindrome (68599586).
The spelling of 68590000 in words is "sixty-eight million, five hundred ninety thousand".
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