Base | Representation |
---|---|
bin | 1000111011011111… |
… | …0111000001001001 |
3 | 20012001101121202001 |
4 | 2032313313001021 |
5 | 14402113223240 |
6 | 1033504111001 |
7 | 113254142233 |
oct | 21667670111 |
9 | 6161347661 |
10 | 2397007945 |
11 | 1020059602 |
12 | 56a905461 |
13 | 2c27abac7 |
14 | 18a4c1253 |
15 | e068489a |
hex | 8edf7049 |
2397007945 has 8 divisors (see below), whose sum is σ = 2930681736. Its totient is φ = 1881424896.
The previous prime is 2397007937. The next prime is 2397007979. The reversal of 2397007945 is 5497007932.
It can be written as a sum of positive squares in 4 ways, for example, as 95023504 + 2301984441 = 9748^2 + 47979^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2397007945 - 23 = 2397007937 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2397007895 and 2397007904.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522392 + ... + 4522921.
It is an arithmetic number, because the mean of its divisors is an integer number (366335217).
Almost surely, 22397007945 is an apocalyptic number.
It is an amenable number.
2397007945 is a deficient number, since it is larger than the sum of its proper divisors (533673791).
2397007945 is an equidigital number, since it uses as much as digits as its factorization.
2397007945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9045371.
The product of its (nonzero) digits is 476280, while the sum is 46.
The square root of 2397007945 is about 48959.2477985518. The cubic root of 2397007945 is about 1338.3092854012.
The spelling of 2397007945 in words is "two billion, three hundred ninety-seven million, seven thousand, nine hundred forty-five".
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