Base | Representation |
---|---|
bin | 10110101100000… |
… | …11010110100000 |
3 | 111021010210001100 |
4 | 23112003112200 |
5 | 342211032042 |
6 | 30515234400 |
7 | 4500531516 |
oct | 1326032640 |
9 | 437123040 |
10 | 190330272 |
11 | 98488a50 |
12 | 538a8a00 |
13 | 3057cb82 |
14 | 1b3c64b6 |
15 | 11a9924c |
hex | b5835a0 |
190330272 has 144 divisors (see below), whose sum is σ = 599272128. Its totient is φ = 56816640.
The previous prime is 190330271. The next prime is 190330289. The reversal of 190330272 is 272033091.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×1903302722 = 72451224879187968, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (190330271) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230853 + ... + 231675.
It is an arithmetic number, because the mean of its divisors is an integer number (4161612).
Almost surely, 2190330272 is an apocalyptic number.
190330272 is a gapful number since it is divisible by the number (12) 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 190330272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299636064).
190330272 is an abundant number, since it is smaller than the sum of its proper divisors (408941856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190330272 is a wasteful number, since it uses less digits than its factorization.
190330272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923 (or 912 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 190330272 is about 13796.0237749868. The cubic root of 190330272 is about 575.2226202882. Note that the first 3 decimals are identical.
The spelling of 190330272 in words is "one hundred ninety million, three hundred thirty thousand, two hundred seventy-two".
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