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540358433 = 1093494381
BaseRepresentation
bin100000001101010…
…011011100100001
31101122210001102022
4200031103130201
52101312432213
6125341431225
716250654006
oct4015233441
91348701368
10540358433
1125802231a
12130b6b515
1387c45b24
1451a9d8ad
153268b308
hex20353721

540358433 has 4 divisors (see below), whose sum is σ = 540853908. Its totient is φ = 539862960.

The previous prime is 540358409. The next prime is 540358439. The reversal of 540358433 is 334853045.

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

It can be written as a sum of positive squares in 2 ways, for example, as 508186849 + 32171584 = 22543^2 + 5672^2 .

It is a cyclic number.

It is not a de Polignac number, because 540358433 - 26 = 540358369 is a prime.

It is a super-3 number, since 3×5403584333 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540358393 and 540358402.

It is not an unprimeable number, because it can be changed into a prime (540358439) 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, 246098 + ... + 248283.

It is an arithmetic number, because the mean of its divisors is an integer number (135213477).

Almost surely, 2540358433 is an apocalyptic number.

It is an amenable number.

540358433 is a deficient number, since it is larger than the sum of its proper divisors (495475).

540358433 is a wasteful number, since it uses less digits than its factorization.

540358433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495474.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 540358433 is about 23245.6110481097. The cubic root of 540358433 is about 814.5054186196.

It can be divided in two parts, 5403 and 58433, that added together give a palindrome (63836).

The spelling of 540358433 in words is "five hundred forty million, three hundred fifty-eight thousand, four hundred thirty-three".

Divisors: 1 1093 494381 540358433