Base | Representation |
---|---|
bin | 10110111001110… |
… | …10011111001100 |
3 | 111101112011101212 |
4 | 23130322133030 |
5 | 343141111342 |
6 | 31021553552 |
7 | 4522032530 |
oct | 1334723714 |
9 | 441464355 |
10 | 192128972 |
11 | 994a7382 |
12 | 544158b8 |
13 | 30a5c7a9 |
14 | 1b733bc0 |
15 | 11d02182 |
hex | b73a7cc |
192128972 has 24 divisors (see below), whose sum is σ = 385056000. Its totient is φ = 82170000.
The previous prime is 192128971. The next prime is 192128987. The reversal of 192128972 is 279821291.
It is not an unprimeable number, because it can be changed into a prime (192128971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7097 + ... + 20847.
It is an arithmetic number, because the mean of its divisors is an integer number (16044000).
Almost surely, 2192128972 is an apocalyptic number.
It is an amenable number.
192128972 is an abundant number, since it is smaller than the sum of its proper divisors (192927028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
192128972 is a wasteful number, since it uses less digits than its factorization.
192128972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14261 (or 14259 counting only the distinct ones).
The product of its digits is 36288, while the sum is 41.
The square root of 192128972 is about 13861.0595554597. The cubic root of 192128972 is about 577.0289726908.
The spelling of 192128972 in words is "one hundred ninety-two million, one hundred twenty-eight thousand, nine hundred seventy-two".
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