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540021201 = 31710588651
BaseRepresentation
bin100000001100000…
…001000111010001
31101122010220211020
4200030001013101
52101221134301
6125330310053
716245050556
oct4014010721
91348126736
10540021201
11257911a15
12130a28329
1387b58495
1451a12a2d
1532621436
hex203011d1

540021201 has 8 divisors (see below), whose sum is σ = 762382944. Its totient is φ = 338836800.

The previous prime is 540021193. The next prime is 540021221. The reversal of 540021201 is 102120045.

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

It is not a de Polignac number, because 540021201 - 23 = 540021193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540021221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5294275 + ... + 5294376.

It is an arithmetic number, because the mean of its divisors is an integer number (95297868).

Almost surely, 2540021201 is an apocalyptic number.

540021201 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

540021201 is a deficient number, since it is larger than the sum of its proper divisors (222361743).

540021201 is a wasteful number, since it uses less digits than its factorization.

540021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10588671.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 540021201 is about 23238.3562456556. The cubic root of 540021201 is about 814.3359419442.

Adding to 540021201 its reverse (102120045), we get a palindrome (642141246).

The spelling of 540021201 in words is "five hundred forty million, twenty-one thousand, two hundred one".

Divisors: 1 3 17 51 10588651 31765953 180007067 540021201