Base | Representation |
---|---|
bin | 111010111101001… |
… | …010011111100100 |
3 | 2112221012002222121 |
4 | 322331022133210 |
5 | 4011203043132 |
6 | 242052035324 |
7 | 33340213210 |
oct | 7275123744 |
9 | 2487162877 |
10 | 989112292 |
11 | 468367783 |
12 | 237302b44 |
13 | 129bc755c |
14 | 95515940 |
15 | 5bc80497 |
hex | 3af4a7e4 |
989112292 has 48 divisors (see below), whose sum is σ = 2099865600. Its totient is φ = 397965312.
The previous prime is 989112287. The next prime is 989112307. The reversal of 989112292 is 292211989.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203709 + ... + 208507.
It is an arithmetic number, because the mean of its divisors is an integer number (43747200).
Almost surely, 2989112292 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 989112292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049932800).
989112292 is an abundant number, since it is smaller than the sum of its proper divisors (1110753308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
989112292 is a wasteful number, since it uses less digits than its factorization.
989112292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5260 (or 5258 counting only the distinct ones).
The product of its digits is 46656, while the sum is 43.
The square root of 989112292 is about 31450.1556752904. The cubic root of 989112292 is about 996.3575123932.
The spelling of 989112292 in words is "nine hundred eighty-nine million, one hundred twelve thousand, two hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •