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200840882 = 21129112
BaseRepresentation
bin10111111100010…
…01011010110010
3111222220202220012
423332021122302
5402403402012
631532414522
74656055634
oct1376113262
9458822805
10200840882
11a3407800
1257317442
13327bcc78
141c960a54
1512973622
hexbf896b2

200840882 has 18 divisors (see below), whose sum is σ = 331502367. Its totient is φ = 91191100.

The previous prime is 200840881. The next prime is 200840911. The reversal of 200840882 is 288048002.

It can be written as a sum of positive squares in only one way, i.e., 100420441 + 100420441 = 10021^2 + 10021^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=10021.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200840881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 220007 + ... + 220917.

Almost surely, 2200840882 is an apocalyptic number.

200840882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200840882 is a deficient number, since it is larger than the sum of its proper divisors (130661485).

200840882 is an frugal number, since it uses more digits than its factorization.

200840882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 200840882 is about 14171.8341085408. The cubic root of 200840882 is about 585.6219863227.

Multiplying 200840882 by its sum of digits (32), we get a square (6426908224 = 801682).

Multiplying 200840882 by its product of nonzero digits (8192), we get a square (1645288505344 = 12826882).

Adding to 200840882 its reverse (288048002), we get a palindrome (488888884).

The spelling of 200840882 in words is "two hundred million, eight hundred forty thousand, eight hundred eighty-two".

Divisors: 1 2 11 22 121 242 911 1822 10021 20042 110231 220462 829921 1659842 9129131 18258262 100420441 200840882