Base | Representation |
---|---|
bin | 111010111101101… |
… | …001111110010111 |
3 | 2112221102122212102 |
4 | 322331221332113 |
5 | 4011221204424 |
6 | 242054512315 |
7 | 33341261150 |
oct | 7275517627 |
9 | 2487378772 |
10 | 989241239 |
11 | 468445648 |
12 | 23736569b |
13 | 129c4115c |
14 | 9554a927 |
15 | 5bca87ae |
hex | 3af69f97 |
989241239 has 8 divisors (see below), whose sum is σ = 1144872960. Its totient is φ = 837187416.
The previous prime is 989241233. The next prime is 989241241. The reversal of 989241239 is 932142989.
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 989241239 - 220 = 988192663 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 989241193 and 989241202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (989241233) 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, 893879 + ... + 894984.
It is an arithmetic number, because the mean of its divisors is an integer number (143109120).
Almost surely, 2989241239 is an apocalyptic number.
989241239 is a deficient number, since it is larger than the sum of its proper divisors (155631721).
989241239 is a wasteful number, since it uses less digits than its factorization.
989241239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1788949.
The product of its digits is 279936, while the sum is 47.
The square root of 989241239 is about 31452.2056301303. The cubic root of 989241239 is about 996.4008076896.
The spelling of 989241239 in words is "nine hundred eighty-nine million, two hundred forty-one thousand, two hundred thirty-nine".
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