Base | Representation |
---|---|
bin | 100110101000001… |
… | …101011100101000 |
3 | 1200011110121211120 |
4 | 212220031130220 |
5 | 2311401400143 |
6 | 144150255240 |
7 | 22026355425 |
oct | 4650153450 |
9 | 1604417746 |
10 | 648075048 |
11 | 302904415 |
12 | 161057520 |
13 | a435ba7a |
14 | 620dcd4c |
15 | 3bd67383 |
hex | 26a0d728 |
648075048 has 32 divisors (see below), whose sum is σ = 1690632000. Its totient is φ = 206632448.
The previous prime is 648075023. The next prime is 648075079. The reversal of 648075048 is 840570846.
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 7 ways as a sum of consecutive naturals, for example, 586473 + ... + 587576.
It is an arithmetic number, because the mean of its divisors is an integer number (52832250).
Almost surely, 2648075048 is an apocalyptic number.
It is an amenable number.
648075048 is an abundant number, since it is smaller than the sum of its proper divisors (1042556952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
648075048 is a wasteful number, since it uses less digits than its factorization.
648075048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1174081 (or 1174077 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 42.
The square root of 648075048 is about 25457.3181619746. The cubic root of 648075048 is about 865.3831476682.
The spelling of 648075048 in words is "six hundred forty-eight million, seventy-five thousand, forty-eight".
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