Search a number
-
+
214442330 = 2521444233
BaseRepresentation
bin11001100100000…
…10000101011010
3112221111210120112
430302002011122
5414344123310
633140124322
75212505204
oct1462020532
9487453515
10214442330
11100057773
125b9966a2
1335572b6b
14206a1774
1513c5d705
hexcc8215a

214442330 has 8 divisors (see below), whose sum is σ = 385996212. Its totient is φ = 85776928.

The previous prime is 214442309. The next prime is 214442351. The reversal of 214442330 is 33244412.

It is an interprime number because it is at equal distance from previous prime (214442309) and next prime (214442351).

It can be written as a sum of positive squares in 2 ways, for example, as 212897281 + 1545049 = 14591^2 + 1243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 214442296 and 214442305.

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 3 ways as a sum of consecutive naturals, for example, 10722107 + ... + 10722126.

Almost surely, 2214442330 is an apocalyptic number.

214442330 is a deficient number, since it is larger than the sum of its proper divisors (171553882).

214442330 is a wasteful number, since it uses less digits than its factorization.

214442330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444240.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 214442330 is about 14643.8495621882. The cubic root of 214442330 is about 598.5542320194.

Adding to 214442330 its reverse (33244412), we get a palindrome (247686742).

The spelling of 214442330 in words is "two hundred fourteen million, four hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 21444233 42888466 107221165 214442330