Base | Representation |
---|---|
bin | 1001000111010… |
… | …0100000110001 |
3 | 2122221002011122 |
4 | 2101310200301 |
5 | 34241212334 |
6 | 3443152025 |
7 | 642625655 |
oct | 221644061 |
9 | 78832148 |
10 | 38225969 |
11 | 1a639811 |
12 | 10975615 |
13 | 7bc5222 |
14 | 5110a65 |
15 | 355132e |
hex | 2474831 |
38225969 has 2 divisors, whose sum is σ = 38225970. Its totient is φ = 38225968.
The previous prime is 38225963. The next prime is 38225983. The reversal of 38225969 is 96952283.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 31528225 + 6697744 = 5615^2 + 2588^2 .
It is a cyclic number.
It is not a de Polignac number, because 38225969 - 28 = 38225713 is a prime.
It is a super-2 number, since 2×382259692 = 2922449411977922, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (38225963) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19112984 + 19112985.
It is an arithmetic number, because the mean of its divisors is an integer number (19112985).
Almost surely, 238225969 is an apocalyptic number.
It is an amenable number.
38225969 is a deficient number, since it is larger than the sum of its proper divisors (1).
38225969 is an equidigital number, since it uses as much as digits as its factorization.
38225969 is an evil number, because the sum of its binary digits is even.
The product of its digits is 233280, while the sum is 44.
The square root of 38225969 is about 6182.7153419836. The cubic root of 38225969 is about 336.8626295450.
The spelling of 38225969 in words is "thirty-eight million, two hundred twenty-five thousand, nine hundred sixty-nine".
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