Base | Representation |
---|---|
bin | 10110101011010… |
… | …11010011110011 |
3 | 111020221202222001 |
4 | 23111223103303 |
5 | 342144404140 |
6 | 30513154431 |
7 | 4466641435 |
oct | 1325532363 |
9 | 436852861 |
10 | 190231795 |
11 | 98420a66 |
12 | 5385ba17 |
13 | 305470c0 |
14 | 1b39c655 |
15 | 11a79e9a |
hex | b56b4f3 |
190231795 has 32 divisors (see below), whose sum is σ = 254806272. Its totient is φ = 135447552.
The previous prime is 190231777. The next prime is 190231799. The reversal of 190231795 is 597132091.
It is a cyclic number.
It is not a de Polignac number, because 190231795 - 223 = 181843187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (190231799) 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 31 ways as a sum of consecutive naturals, for example, 222589 + ... + 223441.
It is an arithmetic number, because the mean of its divisors is an integer number (7962696).
Almost surely, 2190231795 is an apocalyptic number.
190231795 is a deficient number, since it is larger than the sum of its proper divisors (64574477).
190231795 is a wasteful number, since it uses less digits than its factorization.
190231795 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 991.
The product of its (nonzero) digits is 17010, while the sum is 37.
The square root of 190231795 is about 13792.4542776114. The cubic root of 190231795 is about 575.1233963273.
The spelling of 190231795 in words is "one hundred ninety million, two hundred thirty-one thousand, seven hundred ninety-five".
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