Base | Representation |
---|---|
bin | 1001000110000… |
… | …0100110010111 |
3 | 2122202221021211 |
4 | 2101200212113 |
5 | 34231110112 |
6 | 3441322251 |
7 | 642136120 |
oct | 221404627 |
9 | 78687254 |
10 | 38144407 |
11 | 1a593504 |
12 | 10936387 |
13 | 7b97072 |
14 | 50cd047 |
15 | 35370a7 |
hex | 2460997 |
38144407 has 4 divisors (see below), whose sum is σ = 43593616. Its totient is φ = 32695200.
The previous prime is 38144389. The next prime is 38144411. The reversal of 38144407 is 70444183.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38144407 - 215 = 38111639 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 (38144437) 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 3 ways as a sum of consecutive naturals, for example, 2724594 + ... + 2724607.
It is an arithmetic number, because the mean of its divisors is an integer number (10898404).
Almost surely, 238144407 is an apocalyptic number.
38144407 is a deficient number, since it is larger than the sum of its proper divisors (5449209).
38144407 is an equidigital number, since it uses as much as digits as its factorization.
38144407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5449208.
The product of its (nonzero) digits is 10752, while the sum is 31.
The square root of 38144407 is about 6176.1158505974. The cubic root of 38144407 is about 336.6228732153.
The spelling of 38144407 in words is "thirty-eight million, one hundred forty-four thousand, four hundred seven".
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