| Base | Representation |
|---|---|
| bin | 101000011110101… |
| … | …110111001010000 |
| 3 | 1202022221010212000 |
| 4 | 220132232321100 |
| 5 | 2342330120130 |
| 6 | 151220234000 |
| 7 | 22554431460 |
| oct | 5036567120 |
| 9 | 1668833760 |
| 10 | 679145040 |
| 11 | 3193a57a2 |
| 12 | 16b53b900 |
| 13 | aa919a92 |
| 14 | 662a9ba0 |
| 15 | 3e953260 |
| hex | 287aee50 |
679145040 has 160 divisors (see below), whose sum is σ = 2673519360. Its totient is φ = 155229696.
The previous prime is 679145009. The next prime is 679145041. The reversal of 679145040 is 40541976.
679145040 is a `hidden beast` number, since 67 + 91 + 4 + 504 + 0 = 666.
679145040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×6791450402 = 922475970713203200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 679144986 and 679145004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (679145041) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7339 + ... + 37578.
It is an arithmetic number, because the mean of its divisors is an integer number (16709496).
Almost surely, 2679145040 is an apocalyptic number.
679145040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 679145040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336759680).
679145040 is an abundant number, since it is smaller than the sum of its proper divisors (1994374320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
679145040 is a wasteful number, since it uses less digits than its factorization.
679145040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44946 (or 44934 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 679145040 is about 26060.4113551571. The cubic root of 679145040 is about 878.9972393302.
The spelling of 679145040 in words is "six hundred seventy-nine million, one hundred forty-five thousand, forty".
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