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2142115 = 53711579
BaseRepresentation
bin1000001010111110100011
311000211102121
420022332203
51022021430
6113525111
724131143
oct10127643
94024377
102142115
111233448
12873797
135a0031
143da923
152c4a7a
hex20afa3

2142115 has 8 divisors (see below), whose sum is σ = 2640240. Its totient is φ = 1667232.

The previous prime is 2142097. The next prime is 2142121. The reversal of 2142115 is 5112412.

2142115 = T50 + T51 + ... + T234.

2142115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2142115 - 25 = 2142083 is a prime.

2142115 is a lucky number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5605 + ... + 5974.

It is an arithmetic number, because the mean of its divisors is an integer number (330030).

22142115 is an apocalyptic number.

2142115 is a deficient number, since it is larger than the sum of its proper divisors (498125).

2142115 is a wasteful number, since it uses less digits than its factorization.

2142115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621.

The product of its digits is 80, while the sum is 16.

The square root of 2142115 is about 1463.5965974270. The cubic root of 2142115 is about 128.9083137533.

Adding to 2142115 its reverse (5112412), we get a palindrome (7254527).

The spelling of 2142115 in words is "two million, one hundred forty-two thousand, one hundred fifteen".

Divisors: 1 5 37 185 11579 57895 428423 2142115