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540920233 = 72321115923
BaseRepresentation
bin100000001111011…
…100100110101001
31101200211121001201
4200033130212221
52101433421413
6125401444201
716255513630
oct4017344651
91350747051
10540920233
11258376417
121311a0661
13880b1759
1451ba8517
153274c9dd
hex203dc9a9

540920233 has 16 divisors (see below), whose sum is σ = 648170496. Its totient is φ = 441357840.

The previous prime is 540920231. The next prime is 540920249. The reversal of 540920233 is 332029045.

It is not a de Polignac number, because 540920233 - 21 = 540920231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540920231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26010 + ... + 41932.

It is an arithmetic number, because the mean of its divisors is an integer number (40510656).

Almost surely, 2540920233 is an apocalyptic number.

It is an amenable number.

540920233 is a deficient number, since it is larger than the sum of its proper divisors (107250263).

540920233 is a wasteful number, since it uses less digits than its factorization.

540920233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16164.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 540920233 is about 23257.6919104197. The cubic root of 540920233 is about 814.7875959212.

Adding to 540920233 its reverse (332029045), we get a palindrome (872949278).

The spelling of 540920233 in words is "five hundred forty million, nine hundred twenty thousand, two hundred thirty-three".

Divisors: 1 7 23 161 211 1477 4853 15923 33971 111461 366229 2563603 3359753 23518271 77274319 540920233