Base | Representation |
---|---|
bin | 100100110100… |
… | …0111001101101 |
3 | 1100022202011122 |
4 | 1021220321231 |
5 | 14420212140 |
6 | 1525430325 |
7 | 323040005 |
oct | 111507155 |
9 | 40282148 |
10 | 19304045 |
11 | a995462 |
12 | 656b3a5 |
13 | 3ccb717 |
14 | 27c7005 |
15 | 1a64ab5 |
hex | 1268e6d |
19304045 has 8 divisors (see below), whose sum is σ = 23458560. Its totient is φ = 15247440.
The previous prime is 19304039. The next prime is 19304063. The reversal of 19304045 is 54040391.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19304045 - 210 = 19303021 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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, 24041 + ... + 24830.
It is an arithmetic number, because the mean of its divisors is an integer number (2932320).
Almost surely, 219304045 is an apocalyptic number.
It is an amenable number.
19304045 is a deficient number, since it is larger than the sum of its proper divisors (4154515).
19304045 is an equidigital number, since it uses as much as digits as its factorization.
19304045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48955.
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 19304045 is about 4393.6368762109. The cubic root of 19304045 is about 268.2559974999.
The spelling of 19304045 in words is "nineteen million, three hundred four thousand, forty-five".
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