Search a number
-
+
2243995628 = 22780142701
BaseRepresentation
bin1000010111000000…
…1010011111101100
312210101110210022012
42011300022133230
514043430330003
61010400340352
7106415435210
oct20560123754
95711423265
102243995628
11a5174a146
125276146b8
13299b96a84
14174050940
15d200c8d8
hex85c0a7ec

2243995628 has 12 divisors (see below), whose sum is σ = 4487991312. Its totient is φ = 961712400.

The previous prime is 2243995619. The next prime is 2243995651. The reversal of 2243995628 is 8265993422.

2243995628 is an admirable number.

It is a super-2 number, since 2×22439956282 = 10071032756966228768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40071323 + ... + 40071378.

It is an arithmetic number, because the mean of its divisors is an integer number (373999276).

Almost surely, 22243995628 is an apocalyptic number.

2243995628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2243995628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2243995628 is a wasteful number, since it uses less digits than its factorization.

2243995628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80142712 (or 80142710 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 2243995628 is about 47370.8309827894. The cubic root of 2243995628 is about 1309.2040360155.

The spelling of 2243995628 in words is "two billion, two hundred forty-three million, nine hundred ninety-five thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 14 28 80142701 160285402 320570804 560998907 1121997814 2243995628