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200012 = 22311613
BaseRepresentation
bin110000110101001100
3101011100212
4300311030
522400022
64141552
71462061
oct606514
9334325
10200012
111272aa
12978b8
1370067
1452c68
153e3e2
hex30d4c

200012 has 12 divisors (see below), whose sum is σ = 361536. Its totient is φ = 96720.

The previous prime is 200009. The next prime is 200017. The reversal of 200012 is 210002.

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

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 199969 and 200005.

It is not an unprimeable number, because it can be changed into a prime (200017) 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, 683 + ... + 930.

It is an arithmetic number, because the mean of its divisors is an integer number (30128).

2200012 is an apocalyptic number.

It is an amenable number.

200012 is a deficient number, since it is larger than the sum of its proper divisors (161524).

200012 is a wasteful number, since it uses less digits than its factorization.

200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1646 counting only the distinct ones).

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

The square root of 200012 is about 447.2270117066. The cubic root of 200012 is about 58.4815243480.

The spelling of 200012 in words is "two hundred thousand, twelve", and thus it is an iban number.