Base | Representation |
---|---|
bin | 11100000111000… |
… | …10000000000000 |
3 | 121102201020000020 |
4 | 32003202000000 |
5 | 440331303340 |
6 | 35222053440 |
7 | 5562216102 |
oct | 1603420000 |
9 | 542636006 |
10 | 235806720 |
11 | 11111a096 |
12 | 66b7a280 |
13 | 39b13306 |
14 | 23463572 |
15 | 15a7d9d0 |
hex | e0e2000 |
235806720 has 224 divisors, whose sum is σ = 802111680. Its totient is φ = 58982400.
The previous prime is 235806673. The next prime is 235806751. The reversal of 235806720 is 27608532.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2334670 + ... + 2334770.
Almost surely, 2235806720 is an apocalyptic number.
235806720 is a gapful number since it is divisible by the number (20) 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 235806720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401055840).
235806720 is an abundant number, since it is smaller than the sum of its proper divisors (566304960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
235806720 is a wasteful number, since it uses less digits than its factorization.
235806720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154 (or 130 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 235806720 is about 15355.9994790310. Note that the first 3 decimals coincide. The cubic root of 235806720 is about 617.8059109195.
The spelling of 235806720 in words is "two hundred thirty-five million, eight hundred six thousand, seven hundred twenty".
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