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203202030 = 2356773401
BaseRepresentation
bin11000001110010…
…01110111101110
3112011100201210010
430013021313232
5404004431110
632055154050
75015121513
oct1407116756
9464321703
10203202030
11a477a769
1258075926
13331388b5
141cdb730a
1512c8d020
hexc1c9dee

203202030 has 16 divisors (see below), whose sum is σ = 487684944. Its totient is φ = 54187200.

The previous prime is 203202029. The next prime is 203202061. The reversal of 203202030 is 30202302.

It is a super-2 number, since 2×2032020302 = 82582129992241800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203201997 and 203202015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3386671 + ... + 3386730.

It is an arithmetic number, because the mean of its divisors is an integer number (30480309).

Almost surely, 2203202030 is an apocalyptic number.

203202030 is an abundant number, since it is smaller than the sum of its proper divisors (284482914).

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

203202030 is a wasteful number, since it uses less digits than its factorization.

203202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773411.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 203202030 is about 14254.8949487536. The cubic root of 203202030 is about 587.9079695385.

Adding to 203202030 its reverse (30202302), we get a palindrome (233404332).

The spelling of 203202030 in words is "two hundred three million, two hundred two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 6773401 13546802 20320203 33867005 40640406 67734010 101601015 203202030