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523243012 = 221117117109
BaseRepresentation
bin11111001100000…
…000111000000100
31100110120111110211
4133030000320010
52032422234022
6123530525204
715652330555
oct3714007004
91313514424
10523243012
112493a2246
12127296804
1384532666
144d6c632c
1530e09e77
hex1f300e04

523243012 has 12 divisors (see below), whose sum is σ = 916502860. Its totient is φ = 261385056.

The previous prime is 523243009. The next prime is 523243013. The reversal of 523243012 is 210342325.

It can be written as a sum of positive squares in 2 ways, for example, as 68956416 + 454286596 = 8304^2 + 21314^2 .

It is not an unprimeable number, because it can be changed into a prime (523243013) 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, 54087 + ... + 63022.

Almost surely, 2523243012 is an apocalyptic number.

It is an amenable number.

523243012 is a deficient number, since it is larger than the sum of its proper divisors (393259848).

523243012 is a wasteful number, since it uses less digits than its factorization.

523243012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118230 (or 118228 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 523243012 is about 22874.5057214358. The cubic root of 523243012 is about 805.8133887298.

Adding to 523243012 its reverse (210342325), we get a palindrome (733585337).

The spelling of 523243012 in words is "five hundred twenty-three million, two hundred forty-three thousand, twelve".

Divisors: 1 2 4 1117 2234 4468 117109 234218 468436 130810753 261621506 523243012