Base | Representation |
---|---|
bin | 111010111100110… |
… | …110011101011101 |
3 | 2112221000221102112 |
4 | 322330312131131 |
5 | 4011142431422 |
6 | 242050203405 |
7 | 33336422036 |
oct | 7274663535 |
9 | 2487027375 |
10 | 989030237 |
11 | 468311068 |
12 | 237283565 |
13 | 129b990c0 |
14 | 954d3a8d |
15 | 5bc65ee2 |
hex | 3af3675d |
989030237 has 16 divisors (see below), whose sum is σ = 1127031360. Its totient is φ = 860378112.
The previous prime is 989030227. The next prime is 989030243. The reversal of 989030237 is 732030989.
It is a cyclic number.
It is not a de Polignac number, because 989030237 - 28 = 989029981 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 989030194 and 989030203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (989030227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37298 + ... + 58044.
It is an arithmetic number, because the mean of its divisors is an integer number (70439460).
Almost surely, 2989030237 is an apocalyptic number.
It is an amenable number.
989030237 is a deficient number, since it is larger than the sum of its proper divisors (138001123).
989030237 is a wasteful number, since it uses less digits than its factorization.
989030237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20972.
The product of its (nonzero) digits is 81648, while the sum is 41.
The square root of 989030237 is about 31448.8511236897. The cubic root of 989030237 is about 996.3299596144.
The spelling of 989030237 in words is "nine hundred eighty-nine million, thirty thousand, two hundred thirty-seven".
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