Base | Representation |
---|---|
bin | 100100101100… |
… | …0110010000111 |
3 | 1100012101121101 |
4 | 1021120302013 |
5 | 14411104043 |
6 | 1524200531 |
7 | 322343350 |
oct | 111306207 |
9 | 40171541 |
10 | 19238023 |
11 | a94a8a2 |
12 | 6539147 |
13 | 3ca765c |
14 | 27aad27 |
15 | 1a5024d |
hex | 1258c87 |
19238023 has 8 divisors (see below), whose sum is σ = 22084992. Its totient is φ = 16415736.
The previous prime is 19237969. The next prime is 19238041. The reversal of 19238023 is 32083291.
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 19238023 - 29 = 19237511 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 19237982 and 19238000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19238053) 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 7 ways as a sum of consecutive naturals, for example, 4465 + ... + 7642.
It is an arithmetic number, because the mean of its divisors is an integer number (2760624).
Almost surely, 219238023 is an apocalyptic number.
19238023 is a deficient number, since it is larger than the sum of its proper divisors (2846969).
19238023 is a wasteful number, since it uses less digits than its factorization.
19238023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12341.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 19238023 is about 4386.1170755008. The cubic root of 19238023 is about 267.9498263168.
The spelling of 19238023 in words is "nineteen million, two hundred thirty-eight thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •