Base | Representation |
---|---|
bin | 10101100010101… |
… | …00001101111100 |
3 | 110121000111211122 |
4 | 22301110031330 |
5 | 332224400103 |
6 | 25533010112 |
7 | 4322632145 |
oct | 1261241574 |
9 | 417014748 |
10 | 180700028 |
11 | 93000673 |
12 | 50623938 |
13 | 2b58a6c2 |
14 | 19ddaacc |
15 | 10ce5b38 |
hex | ac5437c |
180700028 has 12 divisors (see below), whose sum is σ = 317344440. Its totient is φ = 90030192.
The previous prime is 180700027. The next prime is 180700033. The reversal of 180700028 is 820007081.
180700028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180700027) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78683 + ... + 80946.
It is an arithmetic number, because the mean of its divisors is an integer number (26445370).
Almost surely, 2180700028 is an apocalyptic number.
It is an amenable number.
180700028 is a deficient number, since it is larger than the sum of its proper divisors (136644412).
180700028 is a wasteful number, since it uses less digits than its factorization.
180700028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159916 (or 159914 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 180700028 is about 13442.4710526004. The cubic root of 180700028 is about 565.3526167043.
The spelling of 180700028 in words is "one hundred eighty million, seven hundred thousand, twenty-eight".
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