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231424514 = 2877131941
BaseRepresentation
bin11011100101101…
…00001000000010
3121010110120202022
431302310020002
5433221041024
634544121442
75510035016
oct1562641002
9533416668
10231424514
111096a6732
1265606282
1338c3a7a9
1422a42546
15154b535e
hexdcb4202

231424514 has 8 divisors (see below), whose sum is σ = 347535228. Its totient is φ = 115579440.

The previous prime is 231424513. The next prime is 231424537. The reversal of 231424514 is 415424132.

231424514 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 229371025 + 2053489 = 15145^2 + 1433^2 .

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

It is not an unprimeable number, because it can be changed into a prime (231424511) 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, 64217 + ... + 67724.

Almost surely, 2231424514 is an apocalyptic number.

231424514 is a deficient number, since it is larger than the sum of its proper divisors (116110714).

231424514 is a wasteful number, since it uses less digits than its factorization.

231424514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132820.

The product of its digits is 3840, while the sum is 26.

The square root of 231424514 is about 15212.6432285780. The cubic root of 231424514 is about 613.9548768418.

Adding to 231424514 its reverse (415424132), we get a palindrome (646848646).

The spelling of 231424514 in words is "two hundred thirty-one million, four hundred twenty-four thousand, five hundred fourteen".

Divisors: 1 2 877 1754 131941 263882 115712257 231424514