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540761819 = 1341999277
BaseRepresentation
bin100000001110110…
…101111011011011
31101200112112202112
4200032311323123
52101413334234
6125354222535
716254254033
oct4016657333
91350475675
10540761819
112582783a4
12131124a4b
1388057610
1451b668c3
153271aace
hex203b5edb

540761819 has 8 divisors (see below), whose sum is σ = 583754640. Its totient is φ = 497968416.

The previous prime is 540761807. The next prime is 540761821. The reversal of 540761819 is 918167045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540761819 - 24 = 540761803 is a prime.

It is a super-2 number, since 2×5407618192 = 584846689776377522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540761219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44192 + ... + 55085.

It is an arithmetic number, because the mean of its divisors is an integer number (72969330).

Almost surely, 2540761819 is an apocalyptic number.

540761819 is a deficient number, since it is larger than the sum of its proper divisors (42992821).

540761819 is a wasteful number, since it uses less digits than its factorization.

540761819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99709.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 540761819 is about 23254.2860350517. The cubic root of 540761819 is about 814.7080485396.

The spelling of 540761819 in words is "five hundred forty million, seven hundred sixty-one thousand, eight hundred nineteen".

Divisors: 1 13 419 5447 99277 1290601 41597063 540761819