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214031144 = 2334497757
BaseRepresentation
bin11001100000111…
…01101100101000
3112220201220112102
430300131230220
5414242444034
633123232532
75206143335
oct1460355450
9486656472
10214031144
11aa8a6848
125b818748
133545a962
14205d598c
1513bcb97e
hexcc1db28

214031144 has 16 divisors (see below), whose sum is σ = 401476500. Its totient is φ = 106970752.

The previous prime is 214031141. The next prime is 214031159. The reversal of 214031144 is 441130412.

It can be written as a sum of positive squares in 2 ways, for example, as 207072100 + 6959044 = 14390^2 + 2638^2 .

It is not an unprimeable number, because it can be changed into a prime (214031141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23714 + ... + 31470.

Almost surely, 2214031144 is an apocalyptic number.

It is an amenable number.

214031144 is a deficient number, since it is larger than the sum of its proper divisors (187445356).

214031144 is a wasteful number, since it uses less digits than its factorization.

214031144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212 (or 11208 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 214031144 is about 14629.8032796070. The cubic root of 214031144 is about 598.1714179929.

Adding to 214031144 its reverse (441130412), we get a palindrome (655161556).

The spelling of 214031144 in words is "two hundred fourteen million, thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 3449 6898 7757 13796 15514 27592 31028 62056 26753893 53507786 107015572 214031144