Base | Representation |
---|---|
bin | 1001010000101… |
… | …1101010001001 |
3 | 2201002112102010 |
4 | 2110023222021 |
5 | 34421020230 |
6 | 3504330133 |
7 | 651114630 |
oct | 224135211 |
9 | 81075363 |
10 | 38845065 |
11 | 1aa21966 |
12 | 11013949 |
13 | 8080c5c |
14 | 5232517 |
15 | 36249b0 |
hex | 250ba89 |
38845065 has 32 divisors (see below), whose sum is σ = 73486080. Its totient is φ = 17144064.
The previous prime is 38845057. The next prime is 38845073. The reversal of 38845065 is 56054883.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (38845057) and next prime (38845073).
It is not a de Polignac number, because 38845065 - 23 = 38845057 is a prime.
It is a Curzon number.
It is an unprimeable number.
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, 3334 + ... + 9423.
It is an arithmetic number, because the mean of its divisors is an integer number (2296440).
Almost surely, 238845065 is an apocalyptic number.
38845065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38845065 is a deficient number, since it is larger than the sum of its proper divisors (34641015).
38845065 is a wasteful number, since it uses less digits than its factorization.
38845065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12801.
The product of its (nonzero) digits is 115200, while the sum is 39.
The square root of 38845065 is about 6232.5809260691. The cubic root of 38845065 is about 338.6714736532.
The spelling of 38845065 in words is "thirty-eight million, eight hundred forty-five thousand, sixty-five".
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