Base | Representation |
---|---|
bin | 1001000110010… |
… | …0101101001011 |
3 | 2122210210100210 |
4 | 2101210231023 |
5 | 34232124402 |
6 | 3441532203 |
7 | 642236136 |
oct | 221445513 |
9 | 78723323 |
10 | 38161227 |
11 | 1a5a5105 |
12 | 10944063 |
13 | 7ba1910 |
14 | 50d521d |
15 | 353c06c |
hex | 2464b4b |
38161227 has 32 divisors (see below), whose sum is σ = 56770560. Its totient is φ = 22654080.
The previous prime is 38161183. The next prime is 38161231. The reversal of 38161227 is 72216183.
It is not a de Polignac number, because 38161227 - 210 = 38160203 is a prime.
It is a super-2 number, since 2×381612272 = 2912558492291058, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 38161194 and 38161203.
It is not an unprimeable number, because it can be changed into a prime (38161267) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199702 + ... + 199892.
It is an arithmetic number, because the mean of its divisors is an integer number (1774080).
Almost surely, 238161227 is an apocalyptic number.
38161227 is a deficient number, since it is larger than the sum of its proper divisors (18609333).
38161227 is a wasteful number, since it uses less digits than its factorization.
38161227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 363.
The product of its digits is 4032, while the sum is 30.
The square root of 38161227 is about 6177.4773977733. The cubic root of 38161227 is about 336.6723445545.
The spelling of 38161227 in words is "thirty-eight million, one hundred sixty-one thousand, two hundred twenty-seven".
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