Base | Representation |
---|---|
bin | 1001001101001… |
… | …0010000110101 |
3 | 2200122120221000 |
4 | 2103102100311 |
5 | 34341004343 |
6 | 3455313513 |
7 | 646115343 |
oct | 223222065 |
9 | 80576830 |
10 | 38609973 |
11 | 1a881276 |
12 | 10b1b899 |
13 | 7ccac4c |
14 | 51b0993 |
15 | 35c9ed3 |
hex | 24d2435 |
38609973 has 32 divisors (see below), whose sum is σ = 59617280. Its totient is φ = 24669360.
The previous prime is 38609971. The next prime is 38609993. The reversal of 38609973 is 37990683.
It is a happy number.
38609973 is a `hidden beast` number, since 38 + 609 + 9 + 7 + 3 = 666.
It is not a de Polignac number, because 38609973 - 21 = 38609971 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38609971) 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 31 ways as a sum of consecutive naturals, for example, 136290 + ... + 136572.
It is an arithmetic number, because the mean of its divisors is an integer number (1863040).
Almost surely, 238609973 is an apocalyptic number.
It is an amenable number.
38609973 is a deficient number, since it is larger than the sum of its proper divisors (21007307).
38609973 is a wasteful number, since it uses less digits than its factorization.
38609973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486 (or 480 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 45.
The square root of 38609973 is about 6213.6923805415. The cubic root of 38609973 is about 337.9868726155.
The spelling of 38609973 in words is "thirty-eight million, six hundred nine thousand, nine hundred seventy-three".
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