Base | Representation |
---|---|
bin | 1001000111011… |
… | …1100010111111 |
3 | 2122221201020000 |
4 | 2101313202333 |
5 | 34242112044 |
6 | 3443325343 |
7 | 643010133 |
oct | 221674277 |
9 | 78851200 |
10 | 38238399 |
11 | 1a648091 |
12 | 10980853 |
13 | 7bcaa94 |
14 | 51153c3 |
15 | 3554d69 |
hex | 24778bf |
38238399 has 40 divisors (see below), whose sum is σ = 59415840. Its totient is φ = 24494400.
The previous prime is 38238373. The next prime is 38238413. The reversal of 38238399 is 99383283.
It is not a de Polignac number, because 38238399 - 28 = 38238143 is a prime.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38231399) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 350757 + ... + 350865.
It is an arithmetic number, because the mean of its divisors is an integer number (1485396).
Almost surely, 238238399 is an apocalyptic number.
38238399 is a deficient number, since it is larger than the sum of its proper divisors (21177441).
38238399 is a wasteful number, since it uses less digits than its factorization.
38238399 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253 (or 244 counting only the distinct ones).
The product of its digits is 279936, while the sum is 45.
The square root of 38238399 is about 6183.7204820399. The cubic root of 38238399 is about 336.8991383096.
It can be divided in two parts, 382 and 38399, that added together give a triangular number (38781 = T278).
The spelling of 38238399 in words is "thirty-eight million, two hundred thirty-eight thousand, three hundred ninety-nine".
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