Base | Representation |
---|---|
bin | 10101100100001… |
… | …00010100000110 |
3 | 110121101112002000 |
4 | 22302010110012 |
5 | 332302201110 |
6 | 25541130130 |
7 | 4324412406 |
oct | 1262042406 |
9 | 417345060 |
10 | 180897030 |
11 | 93125686 |
12 | 506b9946 |
13 | 2b629282 |
14 | 1a04c806 |
15 | 10d341c0 |
hex | ac84506 |
180897030 has 32 divisors (see below), whose sum is σ = 482392800. Its totient is φ = 48239136.
The previous prime is 180897029. The next prime is 180897053. The reversal of 180897030 is 30798081.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334725 + ... + 335264.
It is an arithmetic number, because the mean of its divisors is an integer number (15074775).
Almost surely, 2180897030 is an apocalyptic number.
180897030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
180897030 is an abundant number, since it is smaller than the sum of its proper divisors (301495770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180897030 is a wasteful number, since it uses less digits than its factorization.
180897030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 670005 (or 669999 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 180897030 is about 13449.7966527379. The cubic root of 180897030 is about 565.5579941789.
The spelling of 180897030 in words is "one hundred eighty million, eight hundred ninety-seven thousand, thirty".
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