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220216245 = 3514681083
BaseRepresentation
bin11010010000000…
…11101110110101
3120100101010220020
431020003232311
5422333404440
633503555353
75312543604
oct1510035665
9510333806
10220216245
111033407a7
12618bbb59
1336814c92
1421365a3b
15144ee3d0
hexd203bb5

220216245 has 8 divisors (see below), whose sum is σ = 352346016. Its totient is φ = 117448656.

The previous prime is 220216229. The next prime is 220216279. The reversal of 220216245 is 542612022.

It is a happy number.

220216245 is digitally balanced in base 2, 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 not a de Polignac number, because 220216245 - 24 = 220216229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7340527 + ... + 7340556.

It is an arithmetic number, because the mean of its divisors is an integer number (44043252).

Almost surely, 2220216245 is an apocalyptic number.

It is an amenable number.

220216245 is a deficient number, since it is larger than the sum of its proper divisors (132129771).

220216245 is a wasteful number, since it uses less digits than its factorization.

220216245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14681091.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 220216245 is about 14839.6848012348. The cubic root of 220216245 is about 603.8788013548.

Adding to 220216245 its reverse (542612022), we get a palindrome (762828267).

The spelling of 220216245 in words is "two hundred twenty million, two hundred sixteen thousand, two hundred forty-five".

Divisors: 1 3 5 15 14681083 44043249 73405415 220216245