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214444444 = 22298322273
BaseRepresentation
bin11001100100000…
…10100110011100
3112221111220110211
430302002212130
5414344210234
633140142204
75212514314
oct1462024634
9487456424
10214444444
11100059315
125b997964
1335573b06
14206a2444
1513c5e164
hexcc8299c

214444444 has 24 divisors (see below), whose sum is σ = 392913360. Its totient is φ = 102273024.

The previous prime is 214444441. The next prime is 214444459. The reversal of 214444444 is 444444412.

It is a nude number because it is divisible by every one of its digits.

214444444 is a modest number, since divided by 44444 gives 2144 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214444441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509 + ... + 20764.

It is an arithmetic number, because the mean of its divisors is an integer number (16371390).

Almost surely, 2214444444 is an apocalyptic number.

It is an amenable number.

214444444 is a deficient number, since it is larger than the sum of its proper divisors (178468916).

214444444 is a wasteful number, since it uses less digits than its factorization.

214444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22389 (or 22387 counting only the distinct ones).

The product of its digits is 32768, while the sum is 31.

The square root of 214444444 is about 14643.9217424841. The cubic root of 214444444 is about 598.5561988877.

Adding to 214444444 its reverse (444444412), we get a palindrome (658888856).

The spelling of 214444444 in words is "two hundred fourteen million, four hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 29 58 83 116 166 332 2407 4814 9628 22273 44546 89092 645917 1291834 1848659 2583668 3697318 7394636 53611111 107222222 214444444