Base | Representation |
---|---|
bin | 1001000110000… |
… | …1100101110111 |
3 | 2122210010212100 |
4 | 2101201211313 |
5 | 34231222341 |
6 | 3441353143 |
7 | 642154014 |
oct | 221414567 |
9 | 78703770 |
10 | 38148471 |
11 | 1a596569 |
12 | 109387b3 |
13 | 7b98b7a |
14 | 50d070b |
15 | 35383b6 |
hex | 2461977 |
38148471 has 6 divisors (see below), whose sum is σ = 55103360. Its totient is φ = 25432308.
The previous prime is 38148469. The next prime is 38148479. The reversal of 38148471 is 17484183.
38148471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38148471 - 21 = 38148469 is a prime.
It is a super-3 number, since 3×381484713 (a number of 24 digits) contains 333 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 (38148479) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2119351 + ... + 2119368.
Almost surely, 238148471 is an apocalyptic number.
38148471 is a deficient number, since it is larger than the sum of its proper divisors (16954889).
38148471 is a wasteful number, since it uses less digits than its factorization.
38148471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4238725 (or 4238722 counting only the distinct ones).
The product of its digits is 21504, while the sum is 36.
The square root of 38148471 is about 6176.4448512069. Note that the first 3 decimals coincide. The cubic root of 38148471 is about 336.6348276701.
The spelling of 38148471 in words is "thirty-eight million, one hundred forty-eight thousand, four hundred seventy-one".
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