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30066100 = 2252300661
BaseRepresentation
bin111001010110…
…0010110110100
32002120111221021
41302230112310
530144103400
62552230524
7513362161
oct162542664
962514837
1030066100
1115a76119
12a09b444
1362c90bc
143dc9068
15298d71a
hex1cac5b4

30066100 has 18 divisors (see below), whose sum is σ = 65243654. Its totient is φ = 12026400.

The previous prime is 30066077. The next prime is 30066103. The reversal of 30066100 is 166003.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 79524 + 29986576 = 282^2 + 5476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30066103) 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 5 ways as a sum of consecutive naturals, for example, 150231 + ... + 150430.

Almost surely, 230066100 is an apocalyptic number.

It is an amenable number.

30066100 is an abundant number, since it is smaller than the sum of its proper divisors (35177554).

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

30066100 is a wasteful number, since it uses less digits than its factorization.

30066100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300675 (or 300668 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 30066100 is about 5483.2563317795. The cubic root of 30066100 is about 310.9512921586.

The spelling of 30066100 in words is "thirty million, sixty-six thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 300661 601322 1202644 1503305 3006610 6013220 7516525 15033050 30066100