Base | Representation |
---|---|
bin | 101000101010010… |
… | …001000011011110 |
3 | 1202112121202022120 |
4 | 220222101003132 |
5 | 2344113343132 |
6 | 151405123410 |
7 | 22622223366 |
oct | 5052210336 |
9 | 1675552276 |
10 | 682168542 |
11 | 320080360 |
12 | 170559566 |
13 | ab438033 |
14 | 668559a6 |
15 | 3ed4e02c |
hex | 28a910de |
682168542 has 32 divisors (see below), whose sum is σ = 1489653504. Its totient is φ = 206539200.
The previous prime is 682168541. The next prime is 682168559. The reversal of 682168542 is 245861286.
It is a junction number, because it is equal to n+sod(n) for n = 682168494 and 682168503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (682168541) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 86442 + ... + 94002.
It is an arithmetic number, because the mean of its divisors is an integer number (46551672).
Almost surely, 2682168542 is an apocalyptic number.
682168542 is an abundant number, since it is smaller than the sum of its proper divisors (807484962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
682168542 is a wasteful number, since it uses less digits than its factorization.
682168542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8944.
The product of its digits is 184320, while the sum is 42.
The square root of 682168542 is about 26118.3564184273. The cubic root of 682168542 is about 880.2997179836.
The spelling of 682168542 in words is "six hundred eighty-two million, one hundred sixty-eight thousand, five hundred forty-two".
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