Base | Representation |
---|---|
bin | 10001101101010… |
… | …100100000001011 |
3 | 202201000220011022 |
4 | 101231110200023 |
5 | 1102023440011 |
6 | 45251423055 |
7 | 10235151506 |
oct | 2155244013 |
9 | 681026138 |
10 | 297093131 |
11 | 142779515 |
12 | 835b4a8b |
13 | 4972096a |
14 | 2b65813d |
15 | 1b1378db |
hex | 11b5480b |
297093131 has 4 divisors (see below), whose sum is σ = 299261832. Its totient is φ = 294924432.
The previous prime is 297093127. The next prime is 297093163. The reversal of 297093131 is 131390792.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 297093131 - 22 = 297093127 is a prime.
It is a super-2 number, since 2×2970931312 = 176528656974766322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 297093091 and 297093100.
It is not an unprimeable number, because it can be changed into a prime (297093191) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084145 + ... + 1084418.
It is an arithmetic number, because the mean of its divisors is an integer number (74815458).
Almost surely, 2297093131 is an apocalyptic number.
297093131 is a deficient number, since it is larger than the sum of its proper divisors (2168701).
297093131 is a wasteful number, since it uses less digits than its factorization.
297093131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2168700.
The product of its (nonzero) digits is 10206, while the sum is 35.
The square root of 297093131 is about 17236.3897321916. The cubic root of 297093131 is about 667.2637577581.
The spelling of 297093131 in words is "two hundred ninety-seven million, ninety-three thousand, one hundred thirty-one".
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