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2061143 = 7523563
BaseRepresentation
bin111110111001101010111
310212201100122
413313031113
51011424033
6112102155
723343110
oct7671527
93781318
102061143
111188627
1283495b
13572216
143b9207
152aaa98
hex1f7357

2061143 has 8 divisors (see below), whose sum is σ = 2364288. Its totient is φ = 1760184.

The previous prime is 2061127. The next prime is 2061149. The reversal of 2061143 is 3411602.

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 2061143 - 24 = 2061127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3380 + ... + 3942.

It is an arithmetic number, because the mean of its divisors is an integer number (295536).

22061143 is an apocalyptic number.

2061143 is a deficient number, since it is larger than the sum of its proper divisors (303145).

2061143 is an equidigital number, since it uses as much as digits as its factorization.

2061143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2061143 is about 1435.6681371403. The cubic root of 2061143 is about 127.2631615105.

Adding to 2061143 its reverse (3411602), we get a palindrome (5472745).

The spelling of 2061143 in words is "two million, sixty-one thousand, one hundred forty-three".

Divisors: 1 7 523 563 3661 3941 294449 2061143