Base | Representation |
---|---|
bin | 111011011100111… |
… | …110101000000000 |
3 | 2120111212211022100 |
4 | 323130332220000 |
5 | 4020321433123 |
6 | 242550510400 |
7 | 33501130110 |
oct | 7334765000 |
9 | 2514784270 |
10 | 997452288 |
11 | 472043738 |
12 | 23a065400 |
13 | 12b857671 |
14 | 96687040 |
15 | 5c87b643 |
hex | 3b73ea00 |
997452288 has 360 divisors, whose sum is σ = 3527533152. Its totient is φ = 265715712.
The previous prime is 997452259. The next prime is 997452343. The reversal of 997452288 is 882254799.
997452288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×9974522882 = 1989822133672869888, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9321931 + ... + 9322037.
Almost surely, 2997452288 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 997452288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1763766576).
997452288 is an abundant number, since it is smaller than the sum of its proper divisors (2530080864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
997452288 is a wasteful number, since it uses less digits than its factorization.
997452288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172 (or 136 counting only the distinct ones).
The product of its digits is 2903040, while the sum is 54.
The square root of 997452288 is about 31582.4680479534. The cubic root of 997452288 is about 999.1500404401.
The spelling of 997452288 in words is "nine hundred ninety-seven million, four hundred fifty-two thousand, two hundred eighty-eight".
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