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2001442238 = 21111990001
BaseRepresentation
bin111011101001011…
…1001010110111110
312011111001210121022
41313102321112332
513044332122423
6530333504142
7100411656365
oct16722712676
95144053538
102001442238
119378421a4
1247a342052
1325b860963
1414db527dc
15baa99dc8
hex774b95be

2001442238 has 8 divisors (see below), whose sum is σ = 3002466720. Its totient is φ = 1000620000.

The previous prime is 2001442229. The next prime is 2001442253. The reversal of 2001442238 is 8322441002.

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

It is a congruent number.

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, 22763 + ... + 67238.

It is an arithmetic number, because the mean of its divisors is an integer number (375308340).

Almost surely, 22001442238 is an apocalyptic number.

2001442238 is a deficient number, since it is larger than the sum of its proper divisors (1001024482).

2001442238 is a wasteful number, since it uses less digits than its factorization.

2001442238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101122.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2001442238 is about 44737.4813551232. The cubic root of 2001442238 is about 1260.2238281293.

The spelling of 2001442238 in words is "two billion, one million, four hundred forty-two thousand, two hundred thirty-eight".

Divisors: 1 2 11119 22238 90001 180002 1000721119 2001442238