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211420314 = 2337559313
BaseRepresentation
bin11001001101000…
…00010010011010
3112201211021011000
430212200102122
5413110422224
632551245430
75145020520
oct1446402232
9481737130
10211420314
11a9383236
125a979876
1334a554a1
1420116310
15138630c9
hexc9a049a

211420314 has 32 divisors (see below), whose sum is σ = 536941440. Its totient is φ = 60405696.

The previous prime is 211420289. The next prime is 211420343. The reversal of 211420314 is 413024112.

211420314 is a `hidden beast` number, since 211 + 420 + 31 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 279279 + ... + 280034.

It is an arithmetic number, because the mean of its divisors is an integer number (16779420).

Almost surely, 2211420314 is an apocalyptic number.

211420314 is an abundant number, since it is smaller than the sum of its proper divisors (325521126).

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

211420314 is a wasteful number, since it uses less digits than its factorization.

211420314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559331 (or 559325 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 211420314 is about 14540.2996530333. The cubic root of 211420314 is about 595.7292228984.

Adding to 211420314 its reverse (413024112), we get a palindrome (624444426).

The spelling of 211420314 in words is "two hundred eleven million, four hundred twenty thousand, three hundred fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 559313 1118626 1677939 3355878 3915191 5033817 7830382 10067634 11745573 15101451 23491146 30202902 35236719 70473438 105710157 211420314