Search a number
-
+
220668214 = 2138487239
BaseRepresentation
bin11010010011100…
…10000100110110
3120101020002212211
431021302010312
5422442340324
633521404034
75316435364
oct1511620466
9511202784
10220668214
1110361a328
1261a9961a
1336942910
1421442634
151458d294
hexd272136

220668214 has 8 divisors (see below), whose sum is σ = 356464080. Its totient is φ = 101846856.

The previous prime is 220668209. The next prime is 220668271. The reversal of 220668214 is 412866022.

220668214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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 3 ways as a sum of consecutive naturals, for example, 4243594 + ... + 4243645.

It is an arithmetic number, because the mean of its divisors is an integer number (44558010).

Almost surely, 2220668214 is an apocalyptic number.

220668214 is a deficient number, since it is larger than the sum of its proper divisors (135795866).

220668214 is a wasteful number, since it uses less digits than its factorization.

220668214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487254.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 220668214 is about 14854.9053850908. The cubic root of 220668214 is about 604.2916500801.

The spelling of 220668214 in words is "two hundred twenty million, six hundred sixty-eight thousand, two hundred fourteen".

Divisors: 1 2 13 26 8487239 16974478 110334107 220668214