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540430344 = 23327505977
BaseRepresentation
bin100000001101100…
…101000000001000
31101122220201001200
4200031211000020
52101322232334
6125343144200
716251403446
oct4015450010
91348821050
10540430344
11258071353
12130ba5060
1387c6c78c
1451abbb96
15326a2799
hex20365008

540430344 has 24 divisors (see below), whose sum is σ = 1463665710. Its totient is φ = 180143424.

The previous prime is 540430279. The next prime is 540430351. The reversal of 540430344 is 443034045.

It can be written as a sum of positive squares in only one way, i.e., 527253444 + 13176900 = 22962^2 + 3630^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3752917 + ... + 3753060.

Almost surely, 2540430344 is an apocalyptic number.

It is an amenable number.

540430344 is an abundant number, since it is smaller than the sum of its proper divisors (923235366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540430344 is a wasteful number, since it uses less digits than its factorization.

540430344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505989 (or 7505982 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 540430344 is about 23247.1577617566. The cubic root of 540430344 is about 814.5415485274.

Adding to 540430344 its reverse (443034045), we get a palindrome (983464389).

The spelling of 540430344 in words is "five hundred forty million, four hundred thirty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 7505977 15011954 22517931 30023908 45035862 60047816 67553793 90071724 135107586 180143448 270215172 540430344