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220142214 = 23217719419
BaseRepresentation
bin11010001111100…
…01101010000110
3120100020101100100
431013301222012
5422324022324
633502224530
75312115015
oct1507615206
9510211310
10220142214
111032a0116
1261885146
13367ba386
1421346a7c
15144d74c9
hexd1f1a86

220142214 has 24 divisors (see below), whose sum is σ = 505032840. Its totient is φ = 69064128.

The previous prime is 220142203. The next prime is 220142287. The reversal of 220142214 is 412241022.

220142214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359404 + ... + 360015.

It is an arithmetic number, because the mean of its divisors is an integer number (21043035).

Almost surely, 2220142214 is an apocalyptic number.

220142214 is an abundant number, since it is smaller than the sum of its proper divisors (284890626).

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

220142214 is a wasteful number, since it uses less digits than its factorization.

220142214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719444 (or 719441 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 220142214 is about 14837.1902326552. The cubic root of 220142214 is about 603.8111242977.

Adding to 220142214 its reverse (412241022), we get a palindrome (632383236).

The spelling of 220142214 in words is "two hundred twenty million, one hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 719419 1438838 2158257 4316514 6474771 12230123 12949542 24460246 36690369 73380738 110071107 220142214