Base | Representation |
---|---|
bin | 1001001100011… |
… | …0011011010000 |
3 | 2200120010102021 |
4 | 2103012123100 |
5 | 34332431423 |
6 | 3454301224 |
7 | 645524110 |
oct | 223063320 |
9 | 80503367 |
10 | 38561488 |
11 | 1a8488a9 |
12 | 10ab7814 |
13 | 7cb1b64 |
14 | 519b040 |
15 | 35ba95d |
hex | 24c66d0 |
38561488 has 40 divisors (see below), whose sum is σ = 89885120. Its totient is φ = 15655680.
The previous prime is 38561483. The next prime is 38561513. The reversal of 38561488 is 88416583.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38561483) 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, 6933 + ... + 11188.
It is an arithmetic number, because the mean of its divisors is an integer number (2247128).
Almost surely, 238561488 is an apocalyptic number.
38561488 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
38561488 is an abundant number, since it is smaller than the sum of its proper divisors (51323632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38561488 is a wasteful number, since it uses less digits than its factorization.
38561488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18155 (or 18149 counting only the distinct ones).
The product of its digits is 184320, while the sum is 43.
The square root of 38561488 is about 6209.7896904807. The cubic root of 38561488 is about 337.8453361457.
The spelling of 38561488 in words is "thirty-eight million, five hundred sixty-one thousand, four hundred eighty-eight".
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