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202012 = 2250503
BaseRepresentation
bin110001010100011100
3101021002221
4301110130
522431022
64155124
71500646
oct612434
9337087
10202012
11128858
1298aa4
1370c45
1453896
153ecc7
hex3151c

202012 has 6 divisors (see below), whose sum is σ = 353528. Its totient is φ = 101004.

The previous prime is 202001. The next prime is 202021. The reversal of 202012 is 210202.

It is a happy number.

202012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201986 and 202004.

It is a congruent number.

It is an unprimeable number.

202012 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 as a sum of consecutive naturals, namely, 25248 + ... + 25255.

2202012 is an apocalyptic number.

It is an amenable number.

202012 is a deficient number, since it is larger than the sum of its proper divisors (151516).

202012 is a wasteful number, since it uses less digits than its factorization.

202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50507 (or 50505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 202012 is about 449.4574507114. The cubic root of 202012 is about 58.6758049355.

Adding to 202012 its reverse (210202), we get a palindrome (412214).

The spelling of 202012 in words is "two hundred two thousand, twelve", and thus it is an iban number.

Divisors: 1 2 4 50503 101006 202012