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214020444 = 223112147397
BaseRepresentation
bin11001100000110…
…11000101011100
3112220201100212010
430300123011130
5414242123234
633123111220
75206100211
oct1460330534
9486640763
10214020444
11aa899800
125b812510
1335455b21
14205d1b08
1513bc86e9
hexcc1b15c

214020444 has 36 divisors (see below), whose sum is σ = 548910152. Its totient is φ = 64854240.

The previous prime is 214020439. The next prime is 214020473. The reversal of 214020444 is 444020412.

214020444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 214020444.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 72247 + ... + 75150.

Almost surely, 2214020444 is an apocalyptic number.

It is an amenable number.

214020444 is an abundant number, since it is smaller than the sum of its proper divisors (334889708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214020444 is a wasteful number, since it uses less digits than its factorization.

214020444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147426 (or 147413 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 214020444 is about 14629.4375831745. The cubic root of 214020444 is about 598.1614497539.

Adding to 214020444 its reverse (444020412), we get a palindrome (658040856).

The spelling of 214020444 in words is "two hundred fourteen million, twenty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 1452 147397 294794 442191 589588 884382 1621367 1768764 3242734 4864101 6485468 9728202 17835037 19456404 35670074 53505111 71340148 107010222 214020444