Base | Representation |
---|---|
bin | 1001001011011… |
… | …0000000010111 |
3 | 2200102201011021 |
4 | 2102312000113 |
5 | 34323303411 |
6 | 3453022011 |
7 | 645124036 |
oct | 222660027 |
9 | 80381137 |
10 | 38494231 |
11 | 1a802316 |
12 | 10a84907 |
13 | 7c8a369 |
14 | 518071d |
15 | 35a5a71 |
hex | 24b6017 |
38494231 has 8 divisors (see below), whose sum is σ = 39052944. Its totient is φ = 37939200.
The previous prime is 38494217. The next prime is 38494237. The reversal of 38494231 is 13249483.
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 38494231 - 211 = 38492183 is a prime.
It is a super-2 number, since 2×384942312 = 2963611640562722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38494237) 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, 25216 + ... + 26698.
It is an arithmetic number, because the mean of its divisors is an integer number (4881618).
Almost surely, 238494231 is an apocalyptic number.
38494231 is a deficient number, since it is larger than the sum of its proper divisors (558713).
38494231 is a wasteful number, since it uses less digits than its factorization.
38494231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1841.
The product of its digits is 20736, while the sum is 34.
The square root of 38494231 is about 6204.3719263113. The cubic root of 38494231 is about 337.6488042497.
The spelling of 38494231 in words is "thirty-eight million, four hundred ninety-four thousand, two hundred thirty-one".
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