Search a number
-
+
202666041 = 3223979063
BaseRepresentation
bin11000001010001…
…11000000111001
3112010100111112200
430011013000321
5403340303131
632035500413
75010430044
oct1405070071
9463314480
10202666041
11a4443aa6
1257a57709
1332cab946
141ccb7c5b
1512bd42e6
hexc147039

202666041 has 12 divisors (see below), whose sum is σ = 305467968. Its totient is φ = 129236184.

The previous prime is 202666033. The next prime is 202666063. The reversal of 202666041 is 140666202.

It is a happy number.

It is not a de Polignac number, because 202666041 - 23 = 202666033 is a prime.

It is a super-2 number, since 2×2026660412 = 82147048349227362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202665996 and 202666014.

It is not an unprimeable number, because it can be changed into a prime (202666091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489325 + ... + 489738.

It is an arithmetic number, because the mean of its divisors is an integer number (25455664).

Almost surely, 2202666041 is an apocalyptic number.

It is an amenable number.

202666041 is a deficient number, since it is larger than the sum of its proper divisors (102801927).

202666041 is a wasteful number, since it uses less digits than its factorization.

202666041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979092 (or 979089 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 202666041 is about 14236.0823613802. The cubic root of 202666041 is about 587.3906032010.

The spelling of 202666041 in words is "two hundred two million, six hundred sixty-six thousand, forty-one".

Divisors: 1 3 9 23 69 207 979063 2937189 8811567 22518449 67555347 202666041