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540614957 = 577936941
BaseRepresentation
bin100000001110010…
…010000100101101
31101200021002022012
4200032102010231
52101344134312
6125351131005
716253102621
oct4016220455
91350232265
10540614957
11258188023
12131073a65
138800580c
1451b29181
15326dc322
hex2039212d

540614957 has 4 divisors (see below), whose sum is σ = 541552476. Its totient is φ = 539677440.

The previous prime is 540614953. The next prime is 540614959. The reversal of 540614957 is 759416045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 759416045 = 5151883209.

It can be written as a sum of positive squares in 2 ways, for example, as 506205001 + 34409956 = 22499^2 + 5866^2 .

It is a cyclic number.

It is not a de Polignac number, because 540614957 - 22 = 540614953 is a prime.

It is a super-2 number, since 2×5406149572 = 584529063464223698, 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 (540614953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467894 + ... + 469047.

It is an arithmetic number, because the mean of its divisors is an integer number (135388119).

Almost surely, 2540614957 is an apocalyptic number.

It is an amenable number.

540614957 is a deficient number, since it is larger than the sum of its proper divisors (937519).

540614957 is an equidigital number, since it uses as much as digits as its factorization.

540614957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937518.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 540614957 is about 23251.1280801599. The cubic root of 540614957 is about 814.6342881011.

The spelling of 540614957 in words is "five hundred forty million, six hundred fourteen thousand, nine hundred fifty-seven".

Divisors: 1 577 936941 540614957