Base | Representation |
---|---|
bin | 111011101011101… |
… | …011001001000001 |
3 | 2120210010112202002 |
4 | 323223223021001 |
5 | 4022313222031 |
6 | 243205233345 |
7 | 33545643341 |
oct | 7353531101 |
9 | 2523115662 |
10 | 1001304641 |
11 | 474234aa7 |
12 | 23b402855 |
13 | 12c5a5c6c |
14 | 96daad21 |
15 | 5cd8cccb |
hex | 3baeb241 |
1001304641 has 8 divisors (see below), whose sum is σ = 1067946120. Its totient is φ = 935523328.
The previous prime is 1001304611. The next prime is 1001304643. The reversal of 1001304641 is 1464031001.
It can be written as a sum of positive squares in 4 ways, for example, as 46185616 + 955119025 = 6796^2 + 30905^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1001304641 - 214 = 1001288257 is a prime.
It is a super-2 number, since 2×10013046412 = 2005221968176277762, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1001304643) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212636 + ... + 217293.
It is an arithmetic number, because the mean of its divisors is an integer number (133493265).
Almost surely, 21001304641 is an apocalyptic number.
It is an amenable number.
1001304641 is a deficient number, since it is larger than the sum of its proper divisors (66641479).
1001304641 is a wasteful number, since it uses less digits than its factorization.
1001304641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430083.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 1001304641 is about 31643.3980634192. The cubic root of 1001304641 is about 1000.4346913494.
Adding to 1001304641 its reverse (1464031001), we get a palindrome (2465335642).
The spelling of 1001304641 in words is "one billion, one million, three hundred four thousand, six hundred forty-one".
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