Base | Representation |
---|---|
bin | 1110100010000100… |
… | …1001111001010101 |
3 | 101001212102121101101 |
4 | 3220201021321111 |
5 | 30442124133042 |
6 | 1443032030101 |
7 | 165445666402 |
oct | 35041117125 |
9 | 11055377341 |
10 | 3901005397 |
11 | 172201a103 |
12 | 90a532331 |
13 | 4a2270723 |
14 | 2901452a9 |
15 | 17c71d6b7 |
hex | e8849e55 |
3901005397 has 2 divisors, whose sum is σ = 3901005398. Its totient is φ = 3901005396.
The previous prime is 3901005389. The next prime is 3901005401. The reversal of 3901005397 is 7935001093.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2969596036 + 931409361 = 54494^2 + 30519^2 .
It is a cyclic number.
It is not a de Polignac number, because 3901005397 - 23 = 3901005389 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3901005307) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950502698 + 1950502699.
It is an arithmetic number, because the mean of its divisors is an integer number (1950502699).
Almost surely, 23901005397 is an apocalyptic number.
It is an amenable number.
3901005397 is a deficient number, since it is larger than the sum of its proper divisors (1).
3901005397 is an equidigital number, since it uses as much as digits as its factorization.
3901005397 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 25515, while the sum is 37.
The square root of 3901005397 is about 62458.0290835374. The cubic root of 3901005397 is about 1574.1961662171.
The spelling of 3901005397 in words is "three billion, nine hundred one million, five thousand, three hundred ninety-seven".
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