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2163086 = 27115233
BaseRepresentation
bin1000010000000110001110
311001220012022
420100012032
51023204321
6114210142
724246242
oct10200616
94056168
102163086
111248182
12883952
135a9743
14404422
152cadab
hex21018e

2163086 has 8 divisors (see below), whose sum is σ = 3290544. Its totient is φ = 1066240.

The previous prime is 2163079. The next prime is 2163101. The reversal of 2163086 is 6803612.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7475 + ... + 7758.

It is an arithmetic number, because the mean of its divisors is an integer number (411318).

22163086 is an apocalyptic number.

2163086 is a deficient number, since it is larger than the sum of its proper divisors (1127458).

2163086 is a wasteful number, since it uses less digits than its factorization.

2163086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15306.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2163086 is about 1470.7433494665. The cubic root of 2163086 is about 129.3276130841.

Adding to 2163086 its reverse (6803612), we get a palindrome (8966698).

The spelling of 2163086 in words is "two million, one hundred sixty-three thousand, eighty-six".

Divisors: 1 2 71 142 15233 30466 1081543 2163086