| Base | Representation |
|---|---|
| bin | 10001101110000… |
| … | …110001101100100 |
| 3 | 202201102020110101 |
| 4 | 101232012031210 |
| 5 | 1102101443430 |
| 6 | 45300033444 |
| 7 | 10236660226 |
| oct | 2156061544 |
| 9 | 681366411 |
| 10 | 297296740 |
| 11 | 1428a8494 |
| 12 | 83692884 |
| 13 | 49792540 |
| 14 | 2b6ac416 |
| 15 | 1b177dca |
| hex | 11b86364 |
297296740 has 72 divisors (see below), whose sum is σ = 692895672. Its totient is φ = 106452480.
The previous prime is 297296729. The next prime is 297296749. The reversal of 297296740 is 47692792.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 7139584 + 290157156 = 2672^2 + 17034^2 .
It is a super-2 number, since 2×2972967402 = 176770703229255200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (297296749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1780137 + ... + 1780303.
It is an arithmetic number, because the mean of its divisors is an integer number (9623551).
Almost surely, 2297296740 is an apocalyptic number.
297296740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 297296740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346447836).
297296740 is an abundant number, since it is smaller than the sum of its proper divisors (395598932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
297296740 is a wasteful number, since it uses less digits than its factorization.
297296740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 397 (or 228 counting only the distinct ones).
The product of its (nonzero) digits is 381024, while the sum is 46.
The square root of 297296740 is about 17242.2950908514. The cubic root of 297296740 is about 667.4161565261.
The spelling of 297296740 in words is "two hundred ninety-seven million, two hundred ninety-six thousand, seven hundred forty".
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