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2141975 = 52117789
BaseRepresentation
bin1000001010111100010111
311000211020102
420022330113
51022020400
6113524315
724130553
oct10127427
94024212
102141975
111233330
1287369b
1359cc54
143da863
152c49d5
hex20af17

2141975 has 12 divisors (see below), whose sum is σ = 2897880. Its totient is φ = 1557600.

The previous prime is 2141947. The next prime is 2141977. The reversal of 2141975 is 5791412.

2141975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2141975 - 212 = 2137879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141977) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3620 + ... + 4169.

It is an arithmetic number, because the mean of its divisors is an integer number (241490).

22141975 is an apocalyptic number.

2141975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2141975 is a deficient number, since it is larger than the sum of its proper divisors (755905).

2141975 is a wasteful number, since it uses less digits than its factorization.

2141975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7810 (or 7805 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 2141975 is about 1463.5487692592. The cubic root of 2141975 is about 128.9055053829.

The spelling of 2141975 in words is "two million, one hundred forty-one thousand, nine hundred seventy-five".

Divisors: 1 5 11 25 55 275 7789 38945 85679 194725 428395 2141975