Base | Representation |
---|---|
bin | 1001000111100… |
… | …1111010101101 |
3 | 2122222012112122 |
4 | 2101321322231 |
5 | 34242414414 |
6 | 3443442325 |
7 | 643050344 |
oct | 221717255 |
9 | 78865478 |
10 | 38248109 |
11 | 1a654409 |
12 | 109863a5 |
13 | 7c02323 |
14 | 5118b5b |
15 | 3557b8e |
hex | 2479ead |
38248109 has 2 divisors, whose sum is σ = 38248110. Its totient is φ = 38248108.
The previous prime is 38248081. The next prime is 38248153. The reversal of 38248109 is 90184283.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20160100 + 18088009 = 4490^2 + 4253^2 .
It is a cyclic number.
It is not a de Polignac number, because 38248109 - 212 = 38244013 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38244109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19124054 + 19124055.
It is an arithmetic number, because the mean of its divisors is an integer number (19124055).
Almost surely, 238248109 is an apocalyptic number.
It is an amenable number.
38248109 is a deficient number, since it is larger than the sum of its proper divisors (1).
38248109 is an equidigital number, since it uses as much as digits as its factorization.
38248109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 38248109 is about 6184.5055582480. The cubic root of 38248109 is about 336.9276525244.
The spelling of 38248109 in words is "thirty-eight million, two hundred forty-eight thousand, one hundred nine".
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