Base | Representation |
---|---|
bin | 100110101010100… |
… | …000001001101110 |
3 | 1200012121011010012 |
4 | 212222200021232 |
5 | 2312030112300 |
6 | 144211213222 |
7 | 22034440346 |
oct | 4652401156 |
9 | 1605534105 |
10 | 648675950 |
11 | 30318492a |
12 | 1612a7212 |
13 | a450c430 |
14 | 62217d26 |
15 | 3be35435 |
hex | 26aa026e |
648675950 has 24 divisors (see below), whose sum is σ = 1299349128. Its totient is φ = 239510880.
The previous prime is 648675949. The next prime is 648675991. The reversal of 648675950 is 59576846.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498332 + ... + 499631.
It is an arithmetic number, because the mean of its divisors is an integer number (54139547).
Almost surely, 2648675950 is an apocalyptic number.
648675950 is an abundant number, since it is smaller than the sum of its proper divisors (650673178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
648675950 is a wasteful number, since it uses less digits than its factorization.
648675950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 997988 (or 997983 counting only the distinct ones).
The product of its (nonzero) digits is 1814400, while the sum is 50.
The square root of 648675950 is about 25469.1175740346. The cubic root of 648675950 is about 865.6505291641.
The spelling of 648675950 in words is "six hundred forty-eight million, six hundred seventy-five thousand, nine hundred fifty".
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