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30222652 = 228219203
BaseRepresentation
bin111001101001…
…0100100111100
32002212110200111
41303102210330
530214111102
62555435404
7514613455
oct163224474
962773614
1030222652
11160727a9
12a155b64
136352435
14402a12c
1529becd7
hex1cd293c

30222652 has 12 divisors (see below), whose sum is σ = 52959816. Its totient is φ = 15091280.

The previous prime is 30222637. The next prime is 30222653. The reversal of 30222652 is 25622203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222653) 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 in 3 ways as a sum of consecutive naturals, for example, 1318 + ... + 7885.

It is an arithmetic number, because the mean of its divisors is an integer number (4413318).

Almost surely, 230222652 is an apocalyptic number.

It is an amenable number.

30222652 is a deficient number, since it is larger than the sum of its proper divisors (22737164).

30222652 is a wasteful number, since it uses less digits than its factorization.

30222652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028 (or 10026 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30222652 is about 5497.5132560095. The cubic root of 30222652 is about 311.4900584003.

Adding to 30222652 its reverse (25622203), we get a palindrome (55844855).

The spelling of 30222652 in words is "thirty million, two hundred twenty-two thousand, six hundred fifty-two".

Divisors: 1 2 4 821 1642 3284 9203 18406 36812 7555663 15111326 30222652