Base | Representation |
---|---|
bin | 1001001010101… |
… | …1010111101101 |
3 | 2200100111101212 |
4 | 2102223113231 |
5 | 34320410134 |
6 | 3452044205 |
7 | 644553035 |
oct | 222532755 |
9 | 80314355 |
10 | 38450669 |
11 | 1a782614 |
12 | 10a63665 |
13 | 7c7359a |
14 | 516c8c5 |
15 | 3597bce |
hex | 24ab5ed |
38450669 has 2 divisors, whose sum is σ = 38450670. Its totient is φ = 38450668.
The previous prime is 38450639. The next prime is 38450677. The reversal of 38450669 is 96605483.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 31214569 + 7236100 = 5587^2 + 2690^2 .
It is a cyclic number.
It is not a de Polignac number, because 38450669 - 220 = 37402093 is a prime.
It is a super-2 number, since 2×384506692 = 2956907893095122, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38450639) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19225334 + 19225335.
It is an arithmetic number, because the mean of its divisors is an integer number (19225335).
Almost surely, 238450669 is an apocalyptic number.
It is an amenable number.
38450669 is a deficient number, since it is larger than the sum of its proper divisors (1).
38450669 is an equidigital number, since it uses as much as digits as its factorization.
38450669 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 155520, while the sum is 41.
The square root of 38450669 is about 6200.8603435330. The cubic root of 38450669 is about 337.5213894080.
The spelling of 38450669 in words is "thirty-eight million, four hundred fifty thousand, six hundred sixty-nine".
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