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210130 = 2521013
BaseRepresentation
bin110011010011010010
3101200020121
4303103102
523211010
64300454
71533424
oct632322
9350217
10210130
11133968
12a172a
137484b
1456814
15423da
hex334d2

210130 has 8 divisors (see below), whose sum is σ = 378252. Its totient is φ = 84048.

The previous prime is 210127. The next prime is 210131. The reversal of 210130 is 31012.

210130 is digitally balanced in base 2, 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 2 ways, for example, as 168921 + 41209 = 411^2 + 203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (210131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10497 + ... + 10516.

2210130 is an apocalyptic number.

210130 is a deficient number, since it is larger than the sum of its proper divisors (168122).

210130 is a wasteful number, since it uses less digits than its factorization.

210130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21020.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 210130 is about 458.3993891793. The cubic root of 210130 is about 59.4514822334.

Adding to 210130 its reverse (31012), we get a palindrome (241142).

The spelling of 210130 in words is "two hundred ten thousand, one hundred thirty".

Divisors: 1 2 5 10 21013 42026 105065 210130