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30200202 = 234277673
BaseRepresentation
bin111001100110…
…1000110001010
32002211022220000
41303031012022
530212401302
62555143430
7514461144
oct163150612
962738800
1030200202
111605794a
12a144b76
136345156
144021c94
1529b831c
hex1ccd18a

30200202 has 40 divisors (see below), whose sum is σ = 68016036. Its totient is φ = 10015488.

The previous prime is 30200201. The next prime is 30200227. The reversal of 30200202 is 20200203.

It can be written as a sum of positive squares in 2 ways, for example, as 28100601 + 2099601 = 5301^2 + 1449^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (30200201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44538 + ... + 45210.

Almost surely, 230200202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30200202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34008018).

30200202 is an abundant number, since it is smaller than the sum of its proper divisors (37815834).

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

30200202 is a wasteful number, since it uses less digits than its factorization.

30200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 30200202 is about 5495.4710444147. The cubic root of 30200202 is about 311.4129122471.

Adding to 30200202 its reverse (20200203), we get a palindrome (50400405).

Subtracting from 30200202 its reverse (20200203), we obtain a palindrome (9999999).

The spelling of 30200202 in words is "thirty million, two hundred thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 277 554 673 831 1346 1662 2019 2493 4038 4986 6057 7479 12114 14958 18171 22437 36342 44874 54513 109026 186421 372842 559263 1118526 1677789 3355578 5033367 10066734 15100101 30200202