Base | Representation |
---|---|
bin | 1001000100001… |
… | …0001111100001 |
3 | 2122112121201120 |
4 | 2101002033201 |
5 | 34213120230 |
6 | 3434522453 |
7 | 641110446 |
oct | 221021741 |
9 | 78477646 |
10 | 38020065 |
11 | 1a509046 |
12 | 10896429 |
13 | 7b525a5 |
14 | 50999cd |
15 | 3510310 |
hex | 24423e1 |
38020065 has 8 divisors (see below), whose sum is σ = 60832128. Its totient is φ = 20277360.
The previous prime is 38020063. The next prime is 38020091. The reversal of 38020065 is 56002083.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38020065 - 21 = 38020063 is a prime.
It is a super-4 number, since 4×380200654 (a number of 31 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (38020063) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267321 + ... + 1267350.
It is an arithmetic number, because the mean of its divisors is an integer number (7604016).
Almost surely, 238020065 is an apocalyptic number.
It is an amenable number.
38020065 is a deficient number, since it is larger than the sum of its proper divisors (22812063).
38020065 is a wasteful number, since it uses less digits than its factorization.
38020065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2534679.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 38020065 is about 6166.0412745943. The cubic root of 38020065 is about 336.2567039841.
The spelling of 38020065 in words is "thirty-eight million, twenty thousand, sixty-five".
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