Search a number
-
+
202840264 = 23112305003
BaseRepresentation
bin11000001011100…
…01100011001000
3112010200100112101
430011301203020
5403411342024
632043323144
75012054014
oct1405614310
9463610471
10202840264
11a4552990
1257b204b4
1333040033
141cd21544
1512c1ac44
hexc1718c8

202840264 has 16 divisors (see below), whose sum is σ = 414900720. Its totient is φ = 92200080.

The previous prime is 202840259. The next prime is 202840271. The reversal of 202840264 is 462048202.

It is a super-2 number, since 2×2028402642 = 82288345399179392, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1152414 + ... + 1152589.

It is an arithmetic number, because the mean of its divisors is an integer number (25931295).

Almost surely, 2202840264 is an apocalyptic number.

It is an amenable number.

202840264 is an abundant number, since it is smaller than the sum of its proper divisors (212060456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202840264 is a wasteful number, since it uses less digits than its factorization.

202840264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305020 (or 2305016 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 202840264 is about 14242.2001109379. The cubic root of 202840264 is about 587.5588728689.

Adding to 202840264 its reverse (462048202), we get a palindrome (664888466).

The spelling of 202840264 in words is "two hundred two million, eight hundred forty thousand, two hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 2305003 4610006 9220012 18440024 25355033 50710066 101420132 202840264