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540430297 = 111131972207
BaseRepresentation
bin100000001101100…
…100111111011001
31101122220200222221
4200031210333121
52101322232142
6125343144041
716251403351
oct4015447731
91348820887
10540430297
11258071310
12130ba5021
1387c6c754
1451abbb61
15326a2767
hex20364fd9

540430297 has 16 divisors (see below), whose sum is σ = 598067712. Its totient is φ = 484261120.

The previous prime is 540430279. The next prime is 540430351. The reversal of 540430297 is 792034045.

540430297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 540430297 - 223 = 532041689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540430207) 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, 243768 + ... + 245974.

It is an arithmetic number, because the mean of its divisors is an integer number (37379232).

Almost surely, 2540430297 is an apocalyptic number.

It is an amenable number.

540430297 is a deficient number, since it is larger than the sum of its proper divisors (57637415).

540430297 is a wasteful number, since it uses less digits than its factorization.

540430297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 540430297 is about 23247.1567508803. The cubic root of 540430297 is about 814.5415249144.

The spelling of 540430297 in words is "five hundred forty million, four hundred thirty thousand, two hundred ninety-seven".

Divisors: 1 11 113 197 1243 2167 2207 22261 24277 244871 249391 434779 2743301 4782569 49130027 540430297