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2130194 = 21196827
BaseRepresentation
bin1000001000000100010010
311000020002002
420020010102
51021131234
6113354002
724051323
oct10100422
94006062
102130194
1112254a0
12868902
13597791
143d644a
152c127e
hex208112

2130194 has 8 divisors (see below), whose sum is σ = 3485808. Its totient is φ = 968260.

The previous prime is 2130173. The next prime is 2130209. The reversal of 2130194 is 4910312.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48392 + ... + 48435.

It is an arithmetic number, because the mean of its divisors is an integer number (435726).

22130194 is an apocalyptic number.

2130194 is a deficient number, since it is larger than the sum of its proper divisors (1355614).

2130194 is a wasteful number, since it uses less digits than its factorization.

2130194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96840.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2130194 is about 1459.5184137242. The cubic root of 2130194 is about 128.6687412601.

The spelling of 2130194 in words is "two million, one hundred thirty thousand, one hundred ninety-four".

Divisors: 1 2 11 22 96827 193654 1065097 2130194