Base | Representation |
---|---|
bin | 100110000011… |
… | …0101000101101 |
3 | 1101112120102112 |
4 | 1030012220231 |
5 | 20101401000 |
6 | 1551333405 |
7 | 331400426 |
oct | 114065055 |
9 | 41476375 |
10 | 19950125 |
11 | 10296908 |
12 | 6821265 |
13 | 4196810 |
14 | 291464d |
15 | 1b41235 |
hex | 1306a2d |
19950125 has 16 divisors (see below), whose sum is σ = 26815152. Its totient is φ = 14731200.
The previous prime is 19950113. The next prime is 19950127. The reversal of 19950125 is 52105991.
It can be written as a sum of positive squares in 8 ways, for example, as 14945956 + 5004169 = 3866^2 + 2237^2 .
It is not a de Polignac number, because 19950125 - 24 = 19950109 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 19950091 and 19950100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19950127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4514 + ... + 7763.
It is an arithmetic number, because the mean of its divisors is an integer number (1675947).
Almost surely, 219950125 is an apocalyptic number.
It is an amenable number.
19950125 is a deficient number, since it is larger than the sum of its proper divisors (6865027).
19950125 is a wasteful number, since it uses less digits than its factorization.
19950125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12305 (or 12295 counting only the distinct ones).
The product of its (nonzero) digits is 4050, while the sum is 32.
The square root of 19950125 is about 4466.5562797305. The cubic root of 19950125 is about 271.2159378749.
The spelling of 19950125 in words is "nineteen million, nine hundred fifty thousand, one hundred twenty-five".
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