Base | Representation |
---|---|
bin | 100110101001110… |
… | …001100111100011 |
3 | 1200012020110122211 |
4 | 212221301213203 |
5 | 2312003012342 |
6 | 144203142551 |
7 | 22033014556 |
oct | 4651614743 |
9 | 1605213584 |
10 | 648485347 |
11 | 303064704 |
12 | 161214a57 |
13 | a4473753 |
14 | 621a869d |
15 | 3bde8c17 |
hex | 26a719e3 |
648485347 has 8 divisors (see below), whose sum is σ = 672610032. Its totient is φ = 624708000.
The previous prime is 648485293. The next prime is 648485351. The reversal of 648485347 is 743584846.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 648485347 - 215 = 648452579 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 648485347.
It is not an unprimeable number, because it can be changed into a prime (648485147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83029 + ... + 90502.
It is an arithmetic number, because the mean of its divisors is an integer number (84076254).
Almost surely, 2648485347 is an apocalyptic number.
648485347 is a deficient number, since it is larger than the sum of its proper divisors (24124685).
648485347 is a wasteful number, since it uses less digits than its factorization.
648485347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173669.
The product of its digits is 2580480, while the sum is 49.
The square root of 648485347 is about 25465.3754537411. The cubic root of 648485347 is about 865.5657350277.
The spelling of 648485347 in words is "six hundred forty-eight million, four hundred eighty-five thousand, three hundred forty-seven".
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