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540053207 = 1928423853
BaseRepresentation
bin100000001100001…
…000111011010111
31101122012112201122
4200030020323113
52101223200312
6125331114155
716245243101
oct4014107327
91348175648
10540053207
11257933a71
12130a4295b
1387b69c15
1451a20571
153262ab72
hex20308ed7

540053207 has 4 divisors (see below), whose sum is σ = 568477080. Its totient is φ = 511629336.

The previous prime is 540053177. The next prime is 540053231. The reversal of 540053207 is 702350045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-540053207 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 (540053237) 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 3 ways as a sum of consecutive naturals, for example, 14211908 + ... + 14211945.

It is an arithmetic number, because the mean of its divisors is an integer number (142119270).

Almost surely, 2540053207 is an apocalyptic number.

540053207 is a deficient number, since it is larger than the sum of its proper divisors (28423873).

540053207 is a wasteful number, since it uses less digits than its factorization.

540053207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28423872.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 540053207 is about 23239.0448814059. The cubic root of 540053207 is about 814.3520296590.

The spelling of 540053207 in words is "five hundred forty million, fifty-three thousand, two hundred seven".

Divisors: 1 19 28423853 540053207