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210002 = 21341197
BaseRepresentation
bin110011010001010010
3101200001212
4303101102
523210002
64300122
71533152
oct632122
9350055
10210002
11133861
12a1642
1374780
1456762
1542352
hex33452

210002 has 16 divisors (see below), whose sum is σ = 349272. Its totient is φ = 94080.

The previous prime is 209987. The next prime is 210011. The reversal of 210002 is 200012.

It can be written as a sum of positive squares in 4 ways, for example, as 152881 + 57121 = 391^2 + 239^2 .

It is an unprimeable number.

210002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968 + ... + 1164.

2210002 is an apocalyptic number.

210002 is a deficient number, since it is larger than the sum of its proper divisors (139270).

210002 is a wasteful number, since it uses less digits than its factorization.

210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 210002 is about 458.2597516693. The cubic root of 210002 is about 59.4394082230.

Adding to 210002 its reverse (200012), we get a palindrome (410014).

Multiplying 210002 by its reverse (200012), we get a palindrome (42002920024).

The spelling of 210002 in words is "two hundred ten thousand, two", and thus it is an iban number.

Divisors: 1 2 13 26 41 82 197 394 533 1066 2561 5122 8077 16154 105001 210002