Base | Representation |
---|---|
bin | 10011010000100… |
… | …010000100111101 |
3 | 211111222020020022 |
4 | 103100202010331 |
5 | 1130203212424 |
6 | 52021101525 |
7 | 11002212251 |
oct | 2320420475 |
9 | 744866208 |
10 | 323100989 |
11 | 156422612 |
12 | 902578a5 |
13 | 51c28823 |
14 | 30ca8261 |
15 | 1d57395e |
hex | 1342213d |
323100989 has 6 divisors (see below), whose sum is σ = 327047646. Its totient is φ = 319201400.
The previous prime is 323100949. The next prime is 323101007. The reversal of 323100989 is 989001323.
It can be written as a sum of positive squares in only one way, i.e., 318444025 + 4656964 = 17845^2 + 2158^2 .
It is a de Polignac number, because none of the positive numbers 2k-323100989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (323100949) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16562 + ... + 30339.
It is an arithmetic number, because the mean of its divisors is an integer number (54507941).
Almost surely, 2323100989 is an apocalyptic number.
It is an amenable number.
323100989 is a deficient number, since it is larger than the sum of its proper divisors (3946657).
323100989 is an frugal number, since it uses more digits than its factorization.
323100989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47067 (or 46984 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 323100989 is about 17975.0101251710. The cubic root of 323100989 is about 686.1927035573.
The spelling of 323100989 in words is "three hundred twenty-three million, one hundred thousand, nine hundred eighty-nine".
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