Base | Representation |
---|---|
bin | 101000100010110… |
… | …110100111100100 |
3 | 1202101222000121212 |
4 | 220202312213210 |
5 | 2343114202002 |
6 | 151255330552 |
7 | 22566551000 |
oct | 5042664744 |
9 | 1671860555 |
10 | 680225252 |
11 | 319a73333 |
12 | 16b980a58 |
13 | aac07665 |
14 | 664ab700 |
15 | 3eab8352 |
hex | 288b69e4 |
680225252 has 24 divisors (see below), whose sum is σ = 1388217600. Its totient is φ = 291524520.
The previous prime is 680225209. The next prime is 680225261. The reversal of 680225252 is 252522086.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246524 + ... + 249267.
It is an arithmetic number, because the mean of its divisors is an integer number (57842400).
Almost surely, 2680225252 is an apocalyptic number.
It is an amenable number.
680225252 is an abundant number, since it is smaller than the sum of its proper divisors (707992348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680225252 is a wasteful number, since it uses less digits than its factorization.
680225252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495816 (or 495800 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 32.
The square root of 680225252 is about 26081.1282731403. The cubic root of 680225252 is about 879.4630212297.
The spelling of 680225252 in words is "six hundred eighty million, two hundred twenty-five thousand, two hundred fifty-two".
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