Base | Representation |
---|---|
bin | 10110101111100… |
… | …11010010111000 |
3 | 111022000002000120 |
4 | 23113303102320 |
5 | 342320220132 |
6 | 30533133240 |
7 | 4504451355 |
oct | 1327632270 |
9 | 438002016 |
10 | 190788792 |
11 | 98771497 |
12 | 53a8a220 |
13 | 306b079c |
14 | 1b4a562c |
15 | 11b3a02c |
hex | b5f34b8 |
190788792 has 64 divisors (see below), whose sum is σ = 493516800. Its totient is φ = 61426560.
The previous prime is 190788779. The next prime is 190788797. The reversal of 190788792 is 297887091.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190788797) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88042 + ... + 90182.
It is an arithmetic number, because the mean of its divisors is an integer number (7711200).
Almost surely, 2190788792 is an apocalyptic number.
190788792 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 190788792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246758400).
190788792 is an abundant number, since it is smaller than the sum of its proper divisors (302728008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190788792 is a wasteful number, since it uses less digits than its factorization.
190788792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2276 (or 2272 counting only the distinct ones).
The product of its (nonzero) digits is 508032, while the sum is 51.
The square root of 190788792 is about 13812.6316102327. The cubic root of 190788792 is about 575.6841680972.
The spelling of 190788792 in words is "one hundred ninety million, seven hundred eighty-eight thousand, seven hundred ninety-two".
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