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202130 = 25172941
BaseRepresentation
bin110001010110010010
3101021021022
4301112102
522432010
64155442
71501205
oct612622
9337238
10202130
11128955
1298b82
1371006
145393c
153ed55
hex31592

202130 has 32 divisors (see below), whose sum is σ = 408240. Its totient is φ = 71680.

The previous prime is 202129. The next prime is 202183. The reversal of 202130 is 31202.

202130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 63001 + 139129 = 251^2 + 373^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4910 + ... + 4950.

2202130 is an apocalyptic number.

202130 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

202130 is a wasteful number, since it uses less digits than its factorization.

202130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 202130 is about 449.5887009256. The cubic root of 202130 is about 58.6872273549.

Adding to 202130 its reverse (31202), we get a palindrome (233332).

The spelling of 202130 in words is "two hundred two thousand, one hundred thirty".

Divisors: 1 2 5 10 17 29 34 41 58 82 85 145 170 205 290 410 493 697 986 1189 1394 2378 2465 3485 4930 5945 6970 11890 20213 40426 101065 202130