Base | Representation |
---|---|
bin | 10111010011100… |
… | …11010111000010 |
3 | 111121212211002002 |
4 | 23221303113002 |
5 | 400022221100 |
6 | 31222224002 |
7 | 4562534102 |
oct | 1351632702 |
9 | 447784062 |
10 | 195507650 |
11 | a03a4878 |
12 | 55585002 |
13 | 31673600 |
14 | 1bd73202 |
15 | 1226d2d5 |
hex | ba735c2 |
195507650 has 72 divisors (see below), whose sum is σ = 417237804. Its totient is φ = 67891200.
The previous prime is 195507643. The next prime is 195507677. The reversal of 195507650 is 56705591.
It can be written as a sum of positive squares in 18 ways, for example, as 56055169 + 139452481 = 7487^2 + 11809^2 .
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 142970 + ... + 144330.
Almost surely, 2195507650 is an apocalyptic number.
195507650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
195507650 is an abundant number, since it is smaller than the sum of its proper divisors (221730154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
195507650 is a wasteful number, since it uses less digits than its factorization.
195507650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1416 (or 1398 counting only the distinct ones).
The product of its (nonzero) digits is 47250, while the sum is 38.
The square root of 195507650 is about 13982.4050148749. The cubic root of 195507650 is about 580.3917785043.
The spelling of 195507650 in words is "one hundred ninety-five million, five hundred seven thousand, six hundred fifty".
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