Base | Representation |
---|---|
bin | 100110000001… |
… | …0011101101111 |
3 | 1101111200222201 |
4 | 1030002131233 |
5 | 20100324124 |
6 | 1551122331 |
7 | 331266550 |
oct | 114023557 |
9 | 41450881 |
10 | 19933039 |
11 | 10284a95 |
12 | 68133a7 |
13 | 418bac9 |
14 | 290c327 |
15 | 1b3b144 |
hex | 130276f |
19933039 has 8 divisors (see below), whose sum is σ = 22825088. Its totient is φ = 17052120.
The previous prime is 19933013. The next prime is 19933073. The reversal of 19933039 is 93033991.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19933039 - 29 = 19932527 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 19932989 and 19933007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19933009) 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, 1504 + ... + 6490.
It is an arithmetic number, because the mean of its divisors is an integer number (2853136).
Almost surely, 219933039 is an apocalyptic number.
19933039 is a deficient number, since it is larger than the sum of its proper divisors (2892049).
19933039 is an equidigital number, since it uses as much as digits as its factorization.
19933039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5565.
The product of its (nonzero) digits is 19683, while the sum is 37.
The square root of 19933039 is about 4464.6432108288. The cubic root of 19933039 is about 271.1384894203.
The spelling of 19933039 in words is "nineteen million, nine hundred thirty-three thousand, thirty-nine".
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