Base | Representation |
---|---|
bin | 110100000010000… |
… | …101010011010001 |
3 | 2020211122000200112 |
4 | 310002011103101 |
5 | 3241434224413 |
6 | 222342331105 |
7 | 30430022324 |
oct | 6402052321 |
9 | 2224560615 |
10 | 872961233 |
11 | 408844771 |
12 | 204429a95 |
13 | 10bb1a511 |
14 | 83d1c7bb |
15 | 5198a2a8 |
hex | 340854d1 |
872961233 has 4 divisors (see below), whose sum is σ = 873046128. Its totient is φ = 872876340.
The previous prime is 872961163. The next prime is 872961253. The reversal of 872961233 is 332169278.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 872961233 - 216 = 872895697 is a prime.
It is a super-2 number, since 2×8729612332 = 1524122628641760578, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (872961253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24491 + ... + 48432.
It is an arithmetic number, because the mean of its divisors is an integer number (218261532).
Almost surely, 2872961233 is an apocalyptic number.
It is an amenable number.
872961233 is a deficient number, since it is larger than the sum of its proper divisors (84895).
872961233 is a wasteful number, since it uses less digits than its factorization.
872961233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84894.
The product of its digits is 108864, while the sum is 41.
The square root of 872961233 is about 29545.9173660254. The cubic root of 872961233 is about 955.7221525410.
The spelling of 872961233 in words is "eight hundred seventy-two million, nine hundred sixty-one thousand, two hundred thirty-three".
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