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30050712 = 2332417371
BaseRepresentation
bin111001010100…
…0100110011000
32002112201211100
41302220212120
530143110322
62552031400
7513266256
oct162504630
962481740
1030050712
1115a655aa
12a092560
1362c20b3
143dc35d6
152988dac
hex1ca8998

30050712 has 24 divisors (see below), whose sum is σ = 81387540. Its totient is φ = 10016880.

The previous prime is 30050711. The next prime is 30050717. The reversal of 30050712 is 21705003.

It is a tau number, because it is divible by the number of its divisors (24).

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 (30050711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208614 + ... + 208757.

Almost surely, 230050712 is an apocalyptic number.

It is an amenable number.

30050712 is an abundant number, since it is smaller than the sum of its proper divisors (51336828).

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

30050712 is a wasteful number, since it uses less digits than its factorization.

30050712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417383 (or 417376 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 30050712 is about 5481.8529713957. The cubic root of 30050712 is about 310.8982342292.

Adding to 30050712 its reverse (21705003), we get a palindrome (51755715).

The spelling of 30050712 in words is "thirty million, fifty thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 417371 834742 1252113 1669484 2504226 3338968 3756339 5008452 7512678 10016904 15025356 30050712