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540146311 = 2412241271
BaseRepresentation
bin100000001100011…
…111101010000111
31101122101021102221
4200030133222013
52101234140221
6125333113211
716246111405
oct4014375207
91348337387
10540146311
11257997a11
12130a88807
1387ba0403
1451a46475
1532648541
hex2031fa87

540146311 has 4 divisors (see below), whose sum is σ = 542387824. Its totient is φ = 537904800.

The previous prime is 540146293. The next prime is 540146323. The reversal of 540146311 is 113641045.

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 540146311 - 25 = 540146279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540143311) 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, 1120395 + ... + 1120876.

It is an arithmetic number, because the mean of its divisors is an integer number (135596956).

Almost surely, 2540146311 is an apocalyptic number.

540146311 is a deficient number, since it is larger than the sum of its proper divisors (2241513).

540146311 is a wasteful number, since it uses less digits than its factorization.

540146311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241512.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 540146311 is about 23241.0479755109. The cubic root of 540146311 is about 814.3988244771.

Adding to 540146311 its reverse (113641045), we get a palindrome (653787356).

The spelling of 540146311 in words is "five hundred forty million, one hundred forty-six thousand, three hundred eleven".

Divisors: 1 241 2241271 540146311