Base | Representation |
---|---|
bin | 101001000011100… |
… | …100000110010100 |
3 | 1210000002200011121 |
4 | 221003210012110 |
5 | 2402313101043 |
6 | 152203213324 |
7 | 23032463461 |
oct | 5103440624 |
9 | 1700080147 |
10 | 688800148 |
11 | 32389a823 |
12 | 172817244 |
13 | ac91a66a |
14 | 676a0668 |
15 | 4070dded |
hex | 290e4194 |
688800148 has 12 divisors (see below), whose sum is σ = 1205672832. Its totient is φ = 344322200.
The previous prime is 688800127. The next prime is 688800149. The reversal of 688800148 is 841008886.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (688800149) 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, 3423 + ... + 37273.
It is an arithmetic number, because the mean of its divisors is an integer number (100472736).
Almost surely, 2688800148 is an apocalyptic number.
It is an amenable number.
688800148 is a deficient number, since it is larger than the sum of its proper divisors (516872684).
688800148 is a wasteful number, since it uses less digits than its factorization.
688800148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38942 (or 38940 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 43.
The square root of 688800148 is about 26245.0023433034. The cubic root of 688800148 is about 883.1430941296.
The spelling of 688800148 in words is "six hundred eighty-eight million, eight hundred thousand, one hundred forty-eight".
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