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214331144 = 2326791393
BaseRepresentation
bin11001100011001…
…10111100001000
3112221022011001112
430301212330020
5414332044034
633133505452
75211533066
oct1461467410
9487264045
10214331144
11aaa91185
125b942288
1335534381
1420673036
1513c3a7ce
hexcc66f08

214331144 has 8 divisors (see below), whose sum is σ = 401870910. Its totient is φ = 107165568.

The previous prime is 214331113. The next prime is 214331167. The reversal of 214331144 is 441133412.

It can be written as a sum of positive squares in only one way, i.e., 159719044 + 54612100 = 12638^2 + 7390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13395689 + ... + 13395704.

Almost surely, 2214331144 is an apocalyptic number.

It is an amenable number.

214331144 is a deficient number, since it is larger than the sum of its proper divisors (187539766).

214331144 is a wasteful number, since it uses less digits than its factorization.

214331144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26791399 (or 26791395 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 214331144 is about 14640.0527321455. The cubic root of 214331144 is about 598.4507661969.

Adding to 214331144 its reverse (441133412), we get a palindrome (655464556).

The spelling of 214331144 in words is "two hundred fourteen million, three hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 26791393 53582786 107165572 214331144