Base | Representation |
---|---|
bin | 100100101000… |
… | …0111111110001 |
3 | 1100010202212010 |
4 | 1021100333301 |
5 | 14404044004 |
6 | 1523353133 |
7 | 322151355 |
oct | 111207761 |
9 | 40122763 |
10 | 19206129 |
11 | a928938 |
12 | 65227a9 |
13 | 3c95c97 |
14 | 279d465 |
15 | 1a45a89 |
hex | 1250ff1 |
19206129 has 8 divisors (see below), whose sum is σ = 25659232. Its totient is φ = 12778560.
The previous prime is 19206119. The next prime is 19206137. The reversal of 19206129 is 92160291.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19206129 - 24 = 19206113 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 19206096 and 19206105.
It is not an unprimeable number, because it can be changed into a prime (19206119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4552 + ... + 7689.
It is an arithmetic number, because the mean of its divisors is an integer number (3207404).
Almost surely, 219206129 is an apocalyptic number.
It is an amenable number.
19206129 is a deficient number, since it is larger than the sum of its proper divisors (6453103).
19206129 is a wasteful number, since it uses less digits than its factorization.
19206129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12767.
The product of its (nonzero) digits is 1944, while the sum is 30.
The square root of 19206129 is about 4382.4797774776. The cubic root of 19206129 is about 267.8016697415.
The spelling of 19206129 in words is "nineteen million, two hundred six thousand, one hundred twenty-nine".
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