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202341161 = 1122337177
BaseRepresentation
bin11000000111101…
…11101100101001
3112002201222220002
430003313230221
5403244404121
632024512345
75004604631
oct1403675451
9462658802
10202341161
11a4241a00
125791b6b5
1332bc6ac9
141cc316c1
1512b6ce0b
hexc0f7b29

202341161 has 12 divisors (see below), whose sum is σ = 223393716. Its totient is φ = 183131520.

The previous prime is 202341137. The next prime is 202341163. The reversal of 202341161 is 161143202.

It can be written as a sum of positive squares in 2 ways, for example, as 121969936 + 80371225 = 11044^2 + 8965^2 .

It is not a de Polignac number, because 202341161 - 222 = 198146857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202341163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24605 + ... + 31781.

It is an arithmetic number, because the mean of its divisors is an integer number (18616143).

Almost surely, 2202341161 is an apocalyptic number.

It is an amenable number.

202341161 is a deficient number, since it is larger than the sum of its proper divisors (21052555).

202341161 is a wasteful number, since it uses less digits than its factorization.

202341161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432 (or 7421 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 202341161 is about 14224.6673423318. The cubic root of 202341161 is about 587.0765668373.

Adding to 202341161 its reverse (161143202), we get a palindrome (363484363).

The spelling of 202341161 in words is "two hundred two million, three hundred forty-one thousand, one hundred sixty-one".

Divisors: 1 11 121 233 2563 7177 28193 78947 868417 1672241 18394651 202341161