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202231241 = 1132696653
BaseRepresentation
bin11000000110111…
…00110111001001
3112002112102002222
430003130313021
5403232344431
632022303425
75003636312
oct1403346711
9462472088
10202231241
11a4177363
1257887b75
1332b88a74
141cc03609
1512b4a57b
hexc0dcdc9

202231241 has 8 divisors (see below), whose sum is σ = 204810120. Its totient is φ = 199666432.

The previous prime is 202231207. The next prime is 202231247. The reversal of 202231241 is 142132202.

202231241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 48372025 + 153859216 = 6955^2 + 12404^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202231241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202231247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27071 + ... + 33723.

It is an arithmetic number, because the mean of its divisors is an integer number (25601265).

Almost surely, 2202231241 is an apocalyptic number.

It is an amenable number.

202231241 is a deficient number, since it is larger than the sum of its proper divisors (2578879).

202231241 is a wasteful number, since it uses less digits than its factorization.

202231241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 202231241 is about 14220.8031067166. The cubic root of 202231241 is about 586.9702395750.

Adding to 202231241 its reverse (142132202), we get a palindrome (344363443).

The spelling of 202231241 in words is "two hundred two million, two hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 113 269 6653 30397 751789 1789657 202231241