Base | Representation |
---|---|
bin | 10110101011010… |
… | …11010011110010 |
3 | 111020221202222000 |
4 | 23111223103302 |
5 | 342144404134 |
6 | 30513154430 |
7 | 4466641434 |
oct | 1325532362 |
9 | 436852860 |
10 | 190231794 |
11 | 98420a65 |
12 | 5385ba16 |
13 | 305470bc |
14 | 1b39c654 |
15 | 11a79e99 |
hex | b56b4f2 |
190231794 has 32 divisors (see below), whose sum is σ = 429674880. Its totient is φ = 62370000.
The previous prime is 190231777. The next prime is 190231799. The reversal of 190231794 is 497132091.
It is not an unprimeable number, because it can be changed into a prime (190231799) 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, 25582 + ... + 32169.
It is an arithmetic number, because the mean of its divisors is an integer number (13427340).
Almost surely, 2190231794 is an apocalyptic number.
190231794 is an abundant number, since it is smaller than the sum of its proper divisors (239443086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190231794 is a wasteful number, since it uses less digits than its factorization.
190231794 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57823 (or 57817 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 190231794 is about 13792.4542413597. The cubic root of 190231794 is about 575.1233953195.
The spelling of 190231794 in words is "one hundred ninety million, two hundred thirty-one thousand, seven hundred ninety-four".
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