Base | Representation |
---|---|
bin | 1001000110000… |
… | …0110001110101 |
3 | 2122202222022000 |
4 | 2101200301311 |
5 | 34231121031 |
6 | 3441325513 |
7 | 642141216 |
oct | 221406165 |
9 | 78688260 |
10 | 38145141 |
11 | 1a594011 |
12 | 10936899 |
13 | 7b974b8 |
14 | 50cd40d |
15 | 35373e6 |
hex | 2460c75 |
38145141 has 16 divisors (see below), whose sum is σ = 59486400. Its totient is φ = 24091344.
The previous prime is 38145139. The next prime is 38145143. The reversal of 38145141 is 14154183.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (38145139) and next prime (38145143).
It is not a de Polignac number, because 38145141 - 21 = 38145139 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38145143) 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 15 ways as a sum of consecutive naturals, for example, 36666 + ... + 37691.
It is an arithmetic number, because the mean of its divisors is an integer number (3717900).
Almost surely, 238145141 is an apocalyptic number.
It is an amenable number.
38145141 is a deficient number, since it is larger than the sum of its proper divisors (21341259).
38145141 is a wasteful number, since it uses less digits than its factorization.
38145141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74385 (or 74379 counting only the distinct ones).
The product of its digits is 1920, while the sum is 27.
The square root of 38145141 is about 6176.1752727720. The cubic root of 38145141 is about 336.6250323750.
The spelling of 38145141 in words is "thirty-eight million, one hundred forty-five thousand, one hundred forty-one".
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