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202041 = 3371069
BaseRepresentation
bin110001010100111001
3101021011000
4301110321
522431131
64155213
71501020
oct612471
9337130
10202041
11128884
1298b09
1370c68
14538b7
153ece6
hex31539

202041 has 16 divisors (see below), whose sum is σ = 342400. Its totient is φ = 115344.

The previous prime is 202031. The next prime is 202049. The reversal of 202041 is 140202.

202041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202041 - 217 = 70969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (21400).

2202041 is an apocalyptic number.

202041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202041 is a deficient number, since it is larger than the sum of its proper divisors (140359).

202041 is a wasteful number, since it uses less digits than its factorization.

202041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 202041 is about 449.4897106720. The cubic root of 202041 is about 58.6786125525.

Adding to 202041 its reverse (140202), we get a palindrome (342243).

The spelling of 202041 in words is "two hundred two thousand, forty-one", and thus it is an iban number.

Divisors: 1 3 7 9 21 27 63 189 1069 3207 7483 9621 22449 28863 67347 202041