Base | Representation |
---|---|
bin | 100101000010111… |
… | …1100110111010001 |
3 | 10012122001200221211 |
4 | 1022011330313101 |
5 | 10021211332001 |
6 | 323203220121 |
7 | 42542645311 |
oct | 11205746721 |
9 | 3178050854 |
10 | 1243074001 |
11 | 588756994 |
12 | 2a8377641 |
13 | 16a6c6260 |
14 | bb143441 |
15 | 741e8351 |
hex | 4a17cdd1 |
1243074001 has 8 divisors (see below), whose sum is σ = 1367178624. Its totient is φ = 1123038480.
The previous prime is 1243073987. The next prime is 1243074047. The reversal of 1243074001 is 1004703421.
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 1243074001 - 25 = 1243073969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1243074061) 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, 1016635 + ... + 1017856.
It is an arithmetic number, because the mean of its divisors is an integer number (170897328).
Almost surely, 21243074001 is an apocalyptic number.
It is an amenable number.
1243074001 is a deficient number, since it is larger than the sum of its proper divisors (124104623).
1243074001 is a wasteful number, since it uses less digits than its factorization.
1243074001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2034551.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 1243074001 is about 35257.2545868223. The cubic root of 1243074001 is about 1075.2241107658.
Adding to 1243074001 its reverse (1004703421), we get a palindrome (2247777422).
The spelling of 1243074001 in words is "one billion, two hundred forty-three million, seventy-four thousand, one".
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