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2238381996 = 223209988867
BaseRepresentation
bin1000010101101010…
…1111111110101100
312202222220120211220
42011122233332230
514041011210441
61010040143340
7106316635014
oct20532577654
95688816756
102238381996
11a49565584
12525767b50
1329897c8b6
141733ccc44
15d179e466
hex856affac

2238381996 has 24 divisors (see below), whose sum is σ = 5225438400. Its totient is φ = 745763472.

The previous prime is 2238381989. The next prime is 2238382043. The reversal of 2238381996 is 6991838322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19246 + ... + 69621.

It is an arithmetic number, because the mean of its divisors is an integer number (217726600).

Almost surely, 22238381996 is an apocalyptic number.

It is an amenable number.

2238381996 is an abundant number, since it is smaller than the sum of its proper divisors (2987056404).

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

2238381996 is a wasteful number, since it uses less digits than its factorization.

2238381996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90973 (or 90971 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 2238381996 is about 47311.5418899025. The cubic root of 2238381996 is about 1308.1114125750. Note that the first 3 decimals are identical.

The spelling of 2238381996 in words is "two billion, two hundred thirty-eight million, three hundred eighty-one thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 2099 4198 6297 8396 12594 25188 88867 177734 266601 355468 533202 1066404 186531833 373063666 559595499 746127332 1119190998 2238381996