Base | Representation |
---|---|
bin | 1011100010100010… |
… | …1110000111001101 |
3 | 21222212211120101002 |
4 | 2320220232013031 |
5 | 22321001314011 |
6 | 1231214030045 |
7 | 136522602653 |
oct | 27050560715 |
9 | 7885746332 |
10 | 3097682381 |
11 | 134a619692 |
12 | 7254a8325 |
13 | 3a49c6171 |
14 | 215592dd3 |
15 | 131e3bc3b |
hex | b8a2e1cd |
3097682381 has 4 divisors (see below), whose sum is σ = 3102285852. Its totient is φ = 3093078912.
The previous prime is 3097682363. The next prime is 3097682383. The reversal of 3097682381 is 1832867903.
3097682381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1832867903 = 17 ⋅107815759.
It can be written as a sum of positive squares in 2 ways, for example, as 2155744900 + 941937481 = 46430^2 + 30691^2 .
It is a cyclic number.
It is not a de Polignac number, because 3097682381 - 226 = 3030573517 is a prime.
It is a super-2 number, since 2×30976823812 = 19191272267115658322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3097682383) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300726 + ... + 2302071.
It is an arithmetic number, because the mean of its divisors is an integer number (775571463).
Almost surely, 23097682381 is an apocalyptic number.
It is an amenable number.
3097682381 is a deficient number, since it is larger than the sum of its proper divisors (4603471).
3097682381 is an equidigital number, since it uses as much as digits as its factorization.
3097682381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4603470.
The product of its (nonzero) digits is 435456, while the sum is 47.
The square root of 3097682381 is about 55656.8269038040. The cubic root of 3097682381 is about 1457.7362775311.
The spelling of 3097682381 in words is "three billion, ninety-seven million, six hundred eighty-two thousand, three hundred eighty-one".
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