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214421450 = 25214293001
BaseRepresentation
bin11001100011111…
…00111111001010
3112221110201221012
430301330333022
5414342441300
633135443522
75212360265
oct1461747712
9487421835
10214421450
11100043011
125b9865a2
13355664c9
1420697cdc
1513c57435
hexcc7cfca

214421450 has 24 divisors (see below), whose sum is σ = 399235980. Its totient is φ = 85680000.

The previous prime is 214421429. The next prime is 214421489. The reversal of 214421450 is 54124412.

It can be written as a sum of positive squares in 6 ways, for example, as 32684089 + 181737361 = 5717^2 + 13481^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69950 + ... + 72950.

Almost surely, 2214421450 is an apocalyptic number.

214421450 is a deficient number, since it is larger than the sum of its proper divisors (184814530).

214421450 is a wasteful number, since it uses less digits than its factorization.

214421450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442 (or 4437 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 214421450 is about 14643.1366175420. The cubic root of 214421450 is about 598.5348045459.

Adding to 214421450 its reverse (54124412), we get a palindrome (268545862).

The spelling of 214421450 in words is "two hundred fourteen million, four hundred twenty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1429 2858 3001 6002 7145 14290 15005 30010 35725 71450 75025 150050 4288429 8576858 21442145 42884290 107210725 214421450