Base | Representation |
---|---|
bin | 100100110010… |
… | …1000000011101 |
3 | 1100021221021211 |
4 | 1021211000131 |
5 | 14414204333 |
6 | 1525224421 |
7 | 322642336 |
oct | 111450035 |
9 | 40257254 |
10 | 19288093 |
11 | a984480 |
12 | 6562111 |
13 | 3cc4396 |
14 | 27c128d |
15 | 1a5eecd |
hex | 126501d |
19288093 has 8 divisors (see below), whose sum is σ = 21196800. Its totient is φ = 17405280.
The previous prime is 19288091. The next prime is 19288127. The reversal of 19288093 is 39088291.
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 19288093 - 21 = 19288091 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19288091) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4893 + ... + 7906.
It is an arithmetic number, because the mean of its divisors is an integer number (2649600).
Almost surely, 219288093 is an apocalyptic number.
It is an amenable number.
19288093 is a deficient number, since it is larger than the sum of its proper divisors (1908707).
19288093 is a wasteful number, since it uses less digits than its factorization.
19288093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12947.
The product of its (nonzero) digits is 31104, while the sum is 40.
The square root of 19288093 is about 4391.8211484531. The cubic root of 19288093 is about 268.1820855481.
The spelling of 19288093 in words is "nineteen million, two hundred eighty-eight thousand, ninety-three".
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