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540402127 = 836510869
BaseRepresentation
bin100000001101011…
…110000111001111
31101122212021100121
4200031132013033
52101320332002
6125342405411
716251225256
oct4015360717
91348767317
10540402127
11258052131
12130b90867
1387c5c995
1451ab179d
1532699237
hex2035e1cf

540402127 has 4 divisors (see below), whose sum is σ = 546913080. Its totient is φ = 533891176.

The previous prime is 540402097. The next prime is 540402133. The reversal of 540402127 is 721204045.

540402127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 540402127 - 27 = 540401999 is a prime.

It is a super-2 number, since 2×5404021272 = 584068917732248258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540402157) 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, 3255352 + ... + 3255517.

It is an arithmetic number, because the mean of its divisors is an integer number (136728270).

Almost surely, 2540402127 is an apocalyptic number.

540402127 is a deficient number, since it is larger than the sum of its proper divisors (6510953).

540402127 is an equidigital number, since it uses as much as digits as its factorization.

540402127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6510952.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 540402127 is about 23246.5508624398. The cubic root of 540402127 is about 814.5273719740.

The spelling of 540402127 in words is "five hundred forty million, four hundred two thousand, one hundred twenty-seven".

Divisors: 1 83 6510869 540402127