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30334556 = 2271083377
BaseRepresentation
bin111001110110…
…1111001011100
32010002011012002
41303231321130
530231201211
63002101432
7515560640
oct163557134
963064162
1030334556
111613988a
12a1aa878
136391355
144058c20
1529e303b
hex1cede5c

30334556 has 12 divisors (see below), whose sum is σ = 60669168. Its totient is φ = 13000512.

The previous prime is 30334543. The next prime is 30334559. The reversal of 30334556 is 65543303.

It is a happy number.

30334556 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30334559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541661 + ... + 541716.

It is an arithmetic number, because the mean of its divisors is an integer number (5055764).

Almost surely, 230334556 is an apocalyptic number.

It is an amenable number.

30334556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30334556 is a wasteful number, since it uses less digits than its factorization.

30334556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083388 (or 1083386 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 30334556 is about 5507.6815448971. The cubic root of 30334556 is about 311.8740314400.

Adding to 30334556 its reverse (65543303), we get a palindrome (95877859).

The spelling of 30334556 in words is "thirty million, three hundred thirty-four thousand, five hundred fifty-six".

Divisors: 1 2 4 7 14 28 1083377 2166754 4333508 7583639 15167278 30334556