Base | Representation |
---|---|
bin | 1001000111010… |
… | …0111001000001 |
3 | 2122221011022010 |
4 | 2101310321001 |
5 | 34241240041 |
6 | 3443203133 |
7 | 642633333 |
oct | 221647101 |
9 | 78834263 |
10 | 38227521 |
11 | 1a63a9a2 |
12 | 109764a9 |
13 | 7bc5b47 |
14 | 5111453 |
15 | 3551a16 |
hex | 2474e41 |
38227521 has 16 divisors (see below), whose sum is σ = 51680448. Its totient is φ = 25132800.
The previous prime is 38227517. The next prime is 38227529. The reversal of 38227521 is 12572283.
It is not a de Polignac number, because 38227521 - 22 = 38227517 is a prime.
It is a super-2 number, since 2×382275212 = 2922686723610882, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38227529) 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, 115326 + ... + 115656.
It is an arithmetic number, because the mean of its divisors is an integer number (3230028).
Almost surely, 238227521 is an apocalyptic number.
It is an amenable number.
38227521 is a deficient number, since it is larger than the sum of its proper divisors (13452927).
38227521 is a wasteful number, since it uses less digits than its factorization.
38227521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 752.
The product of its digits is 6720, while the sum is 30.
The square root of 38227521 is about 6182.8408519062. The cubic root of 38227521 is about 336.8671884329.
The spelling of 38227521 in words is "thirty-eight million, two hundred twenty-seven thousand, five hundred twenty-one".
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