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30484712 = 233810589
BaseRepresentation
bin111010001001…
…0100011101000
32010100210011102
41310102203220
530301002322
63005220532
7520054466
oct164224350
963323142
1030484712
1116231685
12a261748
1364147bb
144097836
152a22792
hex1d128e8

30484712 has 8 divisors (see below), whose sum is σ = 57158850. Its totient is φ = 15242352.

The previous prime is 30484711. The next prime is 30484733. The reversal of 30484712 is 21748403.

It can be written as a sum of positive squares in only one way, i.e., 23755876 + 6728836 = 4874^2 + 2594^2 .

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 (30484711) 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 as a sum of consecutive naturals, namely, 1905287 + ... + 1905302.

Almost surely, 230484712 is an apocalyptic number.

It is an amenable number.

30484712 is a deficient number, since it is larger than the sum of its proper divisors (26674138).

30484712 is a wasteful number, since it uses less digits than its factorization.

30484712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810595 (or 3810591 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 30484712 is about 5521.2962246197. The cubic root of 30484712 is about 312.3877766638.

The spelling of 30484712 in words is "thirty million, four hundred eighty-four thousand, seven hundred twelve".

Divisors: 1 2 4 8 3810589 7621178 15242356 30484712