Base | Representation |
---|---|
bin | 10001101101001… |
… | …001001000000010 |
3 | 202200221112020100 |
4 | 101231021020002 |
5 | 1102020442110 |
6 | 45250423230 |
7 | 10234565604 |
oct | 2155111002 |
9 | 680845210 |
10 | 297046530 |
11 | 142747500 |
12 | 83591b16 |
13 | 497056a1 |
14 | 2b645174 |
15 | 1b128bc0 |
hex | 11b49202 |
297046530 has 72 divisors (see below), whose sum is σ = 848945916. Its totient is φ = 72008640.
The previous prime is 297046469. The next prime is 297046531. The reversal of 297046530 is 35640792.
It can be written as a sum of positive squares in 2 ways, for example, as 282139209 + 14907321 = 16797^2 + 3861^2 .
It is not an unprimeable number, because it can be changed into a prime (297046531) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2749 + ... + 24528.
Almost surely, 2297046530 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 297046530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424472958).
297046530 is an abundant number, since it is smaller than the sum of its proper divisors (551899386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
297046530 is a wasteful number, since it uses less digits than its factorization.
297046530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27312 (or 27298 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 297046530 is about 17235.0378589663. The cubic root of 297046530 is about 667.2288677062.
The spelling of 297046530 in words is "two hundred ninety-seven million, forty-six thousand, five hundred thirty".
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