Base | Representation |
---|---|
bin | 101000100010010… |
… | …100000001010110 |
3 | 1202101200211020100 |
4 | 220202110001112 |
5 | 2343100133132 |
6 | 151252314530 |
7 | 22565420565 |
oct | 5042240126 |
9 | 1671624210 |
10 | 680083542 |
11 | 319986916 |
12 | 16b912a46 |
13 | aab87cc8 |
14 | 66471bdc |
15 | 3ea8b37c |
hex | 28894056 |
680083542 has 12 divisors (see below), whose sum is σ = 1473514380. Its totient is φ = 226694508.
The previous prime is 680083541. The next prime is 680083543. The reversal of 680083542 is 245380086.
It is an interprime number because it is at equal distance from previous prime (680083541) and next prime (680083543).
It is a junction number, because it is equal to n+sod(n) for n = 680083497 and 680083506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680083541) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18891192 + ... + 18891227.
It is an arithmetic number, because the mean of its divisors is an integer number (122792865).
Almost surely, 2680083542 is an apocalyptic number.
680083542 is an abundant number, since it is smaller than the sum of its proper divisors (793430838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680083542 is a wasteful number, since it uses less digits than its factorization.
680083542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37782427 (or 37782424 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 680083542 is about 26078.4114163421. The cubic root of 680083542 is about 879.4019447162.
It can be divided in two parts, 680083 and 542, that added together give a square (680625 = 8252).
The spelling of 680083542 in words is "six hundred eighty million, eighty-three thousand, five hundred forty-two".
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