Base | Representation |
---|---|
bin | 1001000101110… |
… | …1001000110101 |
3 | 2122202012211201 |
4 | 2101131020311 |
5 | 34230131404 |
6 | 3441132501 |
7 | 642046564 |
oct | 221351065 |
9 | 78665751 |
10 | 38130229 |
11 | 1a583895 |
12 | 1092a131 |
13 | 7b90787 |
14 | 50c7bdb |
15 | 3532ca4 |
hex | 245d235 |
38130229 has 4 divisors (see below), whose sum is σ = 38172640. Its totient is φ = 38087820.
The previous prime is 38130203. The next prime is 38130233. The reversal of 38130229 is 92203183.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 38130229 - 215 = 38097461 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38130197 and 38130206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38130259) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19827 + ... + 21664.
It is an arithmetic number, because the mean of its divisors is an integer number (9543160).
Almost surely, 238130229 is an apocalyptic number.
It is an amenable number.
38130229 is a deficient number, since it is larger than the sum of its proper divisors (42411).
38130229 is an equidigital number, since it uses as much as digits as its factorization.
38130229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42410.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 38130229 is about 6174.9679351394. The cubic root of 38130229 is about 336.5811612850.
The spelling of 38130229 in words is "thirty-eight million, one hundred thirty thousand, two hundred twenty-nine".
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