Base | Representation |
---|---|
bin | 100110101000111… |
… | …101010001100100 |
3 | 1200011211120120010 |
4 | 212220331101210 |
5 | 2311424132243 |
6 | 144154410220 |
7 | 22031132523 |
oct | 4650752144 |
9 | 1604746503 |
10 | 648270948 |
11 | 302a28616 |
12 | 161130970 |
13 | a43c9ca0 |
14 | 621504ba |
15 | 3bda5433 |
hex | 26a3d464 |
648270948 has 24 divisors (see below), whose sum is σ = 1628988928. Its totient is φ = 199467936.
The previous prime is 648270947. The next prime is 648270971. The reversal of 648270948 is 849072846.
It is a junction number, because it is equal to n+sod(n) for n = 648270897 and 648270906.
It is not an unprimeable number, because it can be changed into a prime (648270941) 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, 2077636 + ... + 2077947.
Almost surely, 2648270948 is an apocalyptic number.
It is an amenable number.
648270948 is an abundant number, since it is smaller than the sum of its proper divisors (980717980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
648270948 is a wasteful number, since it uses less digits than its factorization.
648270948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4155603 (or 4155601 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 48.
The square root of 648270948 is about 25461.1654878562. The cubic root of 648270948 is about 865.4703348340.
The spelling of 648270948 in words is "six hundred forty-eight million, two hundred seventy thousand, nine hundred forty-eight".
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