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2203312040 = 23555082801
BaseRepresentation
bin1000001101010011…
…1101111110101000
312200112220211220122
42003110331332220
514003021441130
61002344342412
7105412562156
oct20324757650
95615824818
102203312040
11a30791a46
12515a74a08
13291621047
1416c8a03d6
15cd6732e5
hex8353dfa8

2203312040 has 16 divisors (see below), whose sum is σ = 4957452180. Its totient is φ = 881324800.

The previous prime is 2203312031. The next prime is 2203312043. The reversal of 2203312040 is 402133022.

It can be written as a sum of positive squares in 2 ways, for example, as 2062794724 + 140517316 = 45418^2 + 11854^2 .

It is not an unprimeable number, because it can be changed into a prime (2203312043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27541361 + ... + 27541440.

Almost surely, 22203312040 is an apocalyptic number.

2203312040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203312040 is an abundant number, since it is smaller than the sum of its proper divisors (2754140140).

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

2203312040 is a wasteful number, since it uses less digits than its factorization.

2203312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55082812 (or 55082808 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2203312040 is about 46939.4507850273. The cubic root of 2203312040 is about 1301.2437879178.

Adding to 2203312040 its reverse (402133022), we get a palindrome (2605445062).

The spelling of 2203312040 in words is "two billion, two hundred three million, three hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 55082801 110165602 220331204 275414005 440662408 550828010 1101656020 2203312040