Base | Representation |
---|---|
bin | 1000001000010… |
… | …10011011011010 |
3 | 11202022221000122 |
4 | 10010022123122 |
5 | 114424401104 |
6 | 10433433242 |
7 | 1455456161 |
oct | 404123332 |
9 | 152287018 |
10 | 68200154 |
11 | 35551870 |
12 | 1aa0b822 |
13 | 1118b529 |
14 | 90b43d8 |
15 | 5ec26be |
hex | 410a6da |
68200154 has 8 divisors (see below), whose sum is σ = 111600288. Its totient is φ = 31000060.
The previous prime is 68200109. The next prime is 68200157. The reversal of 68200154 is 45100286.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×682001542 = 9302522011247432, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68200157) by changing a digit.
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, 1549982 + ... + 1550025.
It is an arithmetic number, because the mean of its divisors is an integer number (13950036).
Almost surely, 268200154 is an apocalyptic number.
68200154 is a deficient number, since it is larger than the sum of its proper divisors (43400134).
68200154 is a wasteful number, since it uses less digits than its factorization.
68200154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3100020.
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 68200154 is about 8258.3384527398. The cubic root of 68200154 is about 408.5655883025.
The spelling of 68200154 in words is "sixty-eight million, two hundred thousand, one hundred fifty-four".
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