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2239844930 = 25223984493
BaseRepresentation
bin1000010110000001…
…0101001001000010
312210002122220121122
42011200111021002
514041400014210
61010131352242
7106335240101
oct20540251102
95702586548
102239844930
11a4a374714
12526152682
1329907273b
14173690038
15d198cb55
hex85815242

2239844930 has 8 divisors (see below), whose sum is σ = 4031720892. Its totient is φ = 895937968.

The previous prime is 2239844927. The next prime is 2239844947. The reversal of 2239844930 is 394489322.

It is a Cunningham number, because it is equal to 473272+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2239844929 + 1 = 47327^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 111992237 + ... + 111992256.

Almost surely, 22239844930 is an apocalyptic number.

2239844930 is a deficient number, since it is larger than the sum of its proper divisors (1791875962).

2239844930 is a wasteful number, since it uses less digits than its factorization.

2239844930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223984500.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 2239844930 is about 47327.0000105648. Note that the first 4 decimals coincide. The cubic root of 2239844930 is about 1308.3963302684.

The spelling of 2239844930 in words is "two billion, two hundred thirty-nine million, eight hundred forty-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 223984493 447968986 1119922465 2239844930