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22930216 = 232866277
BaseRepresentation
bin101011101111…
…0001100101000
31121010222100021
41113132030220
521332231331
62135250224
7365621641
oct127361450
947128307
1022930216
1111a418a1
127819974
13499b09a
14308c6c8
15202e211
hex15de328

22930216 has 8 divisors (see below), whose sum is σ = 42994170. Its totient is φ = 11465104.

The previous prime is 22930211. The next prime is 22930217. The reversal of 22930216 is 61203922.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17388900 + 5541316 = 4170^2 + 2354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22930211) by changing a digit.

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 as a sum of consecutive naturals, namely, 1433131 + ... + 1433146.

Almost surely, 222930216 is an apocalyptic number.

It is an amenable number.

22930216 is a deficient number, since it is larger than the sum of its proper divisors (20063954).

22930216 is a wasteful number, since it uses less digits than its factorization.

22930216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866283 (or 2866279 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 22930216 is about 4788.5505113761. The cubic root of 22930216 is about 284.0987886175.

The spelling of 22930216 in words is "twenty-two million, nine hundred thirty thousand, two hundred sixteen".

Divisors: 1 2 4 8 2866277 5732554 11465108 22930216