Base | Representation |
---|---|
bin | 10101100000010… |
… | …10010000111000 |
3 | 110120110010022112 |
4 | 22300022100320 |
5 | 332140201422 |
6 | 25522311452 |
7 | 4320231050 |
oct | 1260122070 |
9 | 416403275 |
10 | 180397112 |
11 | 92914025 |
12 | 504b8588 |
13 | 2b4b286c |
14 | 19d5c560 |
15 | 10c85ee2 |
hex | ac0a438 |
180397112 has 32 divisors (see below), whose sum is σ = 388024320. Its totient is φ = 77021280.
The previous prime is 180397103. The next prime is 180397117. The reversal of 180397112 is 211793081.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180397117) 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, 9233 + ... + 21119.
It is an arithmetic number, because the mean of its divisors is an integer number (12125760).
Almost surely, 2180397112 is an apocalyptic number.
It is an amenable number.
180397112 is an abundant number, since it is smaller than the sum of its proper divisors (207627208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180397112 is a wasteful number, since it uses less digits than its factorization.
180397112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12171 (or 12167 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 32.
The square root of 180397112 is about 13431.1992018583. The cubic root of 180397112 is about 565.0365309087.
The spelling of 180397112 in words is "one hundred eighty million, three hundred ninety-seven thousand, one hundred twelve".
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