Base | Representation |
---|---|
bin | 10111001111111… |
… | …10110111011100 |
3 | 111120222120112120 |
4 | 23213332313130 |
5 | 344411433432 |
6 | 31204102540 |
7 | 4555506006 |
oct | 1347766734 |
9 | 446876476 |
10 | 195030492 |
11 | a00a9328 |
12 | 55394a50 |
13 | 31537377 |
14 | 1bc8b376 |
15 | 121c6c2c |
hex | b9feddc |
195030492 has 12 divisors (see below), whose sum is σ = 455071176. Its totient is φ = 65010160.
The previous prime is 195030491. The next prime is 195030529. The reversal of 195030492 is 294030591.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (195030491) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8126259 + ... + 8126282.
It is an arithmetic number, because the mean of its divisors is an integer number (37922598).
Almost surely, 2195030492 is an apocalyptic number.
195030492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
195030492 is an abundant number, since it is smaller than the sum of its proper divisors (260040684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
195030492 is a wasteful number, since it uses less digits than its factorization.
195030492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16252548 (or 16252546 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 33.
The square root of 195030492 is about 13965.3317898287. The cubic root of 195030492 is about 579.9192237885.
Subtracting 195030492 from its reverse (294030591), we obtain a palindrome (99000099).
The spelling of 195030492 in words is "one hundred ninety-five million, thirty thousand, four hundred ninety-two".
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