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16220214 = 2328291087
BaseRepresentation
bin111101111000…
…000000110110
31010112001221200
4331320000312
513123021324
61335353330
7254604153
oct75700066
933461850
1016220214
11917953a
125522846
13348bb7a
14222322a
151655ec9
hexf78036

16220214 has 24 divisors (see below), whose sum is σ = 35218560. Its totient is φ = 5395248.

The previous prime is 16220207. The next prime is 16220219. The reversal of 16220214 is 41202261.

16220214 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 not an unprimeable number, because it can be changed into a prime (16220219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14379 + ... + 15465.

It is an arithmetic number, because the mean of its divisors is an integer number (1467440).

Almost surely, 216220214 is an apocalyptic number.

16220214 is an abundant number, since it is smaller than the sum of its proper divisors (18998346).

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

16220214 is a wasteful number, since it uses less digits than its factorization.

16220214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 16220214 is about 4027.4326810016. The cubic root of 16220214 is about 253.1349975018.

Adding to 16220214 its reverse (41202261), we get a palindrome (57422475).

The spelling of 16220214 in words is "sixteen million, two hundred twenty thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 829 1087 1658 2174 2487 3261 4974 6522 7461 9783 14922 19566 901123 1802246 2703369 5406738 8110107 16220214