Base | Representation |
---|---|
bin | 10101101100101… |
… | …10101001111000 |
3 | 110200111121111110 |
4 | 22312112221320 |
5 | 333044130403 |
6 | 30021200320 |
7 | 4340102451 |
oct | 1266265170 |
9 | 420447443 |
10 | 182020728 |
11 | 9382295a |
12 | 50b600a0 |
13 | 2b930896 |
14 | 1a262128 |
15 | 10ea7103 |
hex | ad96a78 |
182020728 has 32 divisors (see below), whose sum is σ = 455956560. Its totient is φ = 60552960.
The previous prime is 182020721. The next prime is 182020799. The reversal of 182020728 is 827020281.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 182020695 and 182020704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (182020721) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5226 + ... + 19782.
Almost surely, 2182020728 is an apocalyptic number.
It is an amenable number.
182020728 is an abundant number, since it is smaller than the sum of its proper divisors (273935832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
182020728 is a wasteful number, since it uses less digits than its factorization.
182020728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15087 (or 15083 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 30.
The square root of 182020728 is about 13491.5057721516. The cubic root of 182020728 is about 566.7266240288.
The spelling of 182020728 in words is "one hundred eighty-two million, twenty thousand, seven hundred twenty-eight".
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