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2201994 = 232711723
BaseRepresentation
bin1000011001100110001010
311010212120100
420121212022
51030430434
6115110230
724500544
oct10314612
94125510
102201994
111274433
128a2376
135c1372
14414694
152d7699
hex21998a

2201994 has 24 divisors (see below), whose sum is σ = 4840992. Its totient is φ = 723240.

The previous prime is 2201989. The next prime is 2202007. The reversal of 2201994 is 4991022.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417 + ... + 2139.

It is an arithmetic number, because the mean of its divisors is an integer number (201708).

22201994 is an apocalyptic number.

2201994 is an abundant number, since it is smaller than the sum of its proper divisors (2638998).

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

2201994 is a wasteful number, since it uses less digits than its factorization.

2201994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2201994 is about 1483.9117224417. The cubic root of 2201994 is about 130.0984264461.

The spelling of 2201994 in words is "two million, two hundred one thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 1723 3446 5169 10338 15507 31014 122333 244666 366999 733998 1100997 2201994