Base | Representation |
---|---|
bin | 10001110000100… |
… | …000111010011111 |
3 | 202202121102200020 |
4 | 101300200322133 |
5 | 1102232233044 |
6 | 45321403223 |
7 | 10245236514 |
oct | 2160407237 |
9 | 682542606 |
10 | 297930399 |
11 | 1431a0578 |
12 | 83939513 |
13 | 49954aa0 |
14 | 2b7d530b |
15 | 1b250a19 |
hex | 11c20e9f |
297930399 has 16 divisors (see below), whose sum is σ = 430639104. Its totient is φ = 182124000.
The previous prime is 297930361. The next prime is 297930403. The reversal of 297930399 is 993039792.
It is not a de Polignac number, because 297930399 - 29 = 297929887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (297930349) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19407 + ... + 31184.
It is an arithmetic number, because the mean of its divisors is an integer number (26914944).
Almost surely, 2297930399 is an apocalyptic number.
297930399 is a deficient number, since it is larger than the sum of its proper divisors (132708705).
297930399 is a wasteful number, since it uses less digits than its factorization.
297930399 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50758.
The product of its (nonzero) digits is 826686, while the sum is 51.
The square root of 297930399 is about 17260.6604450699. The cubic root of 297930399 is about 667.8899975138.
The spelling of 297930399 in words is "two hundred ninety-seven million, nine hundred thirty thousand, three hundred ninety-nine".
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