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2040143 = 7377877
BaseRepresentation
bin111110010000101001111
310211122112212
413302011033
51010241033
6111421035
723224640
oct7620517
93748485
102040143
111173876
1282477b
135657b1
143b16c7
152a4748
hex1f214f

2040143 has 8 divisors (see below), whose sum is σ = 2394912. Its totient is φ = 1701216.

The previous prime is 2040133. The next prime is 2040149. The reversal of 2040143 is 3410402.

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 2040143 - 210 = 2039119 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 (2040149) 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, 3680 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (299364).

22040143 is an apocalyptic number.

2040143 is a deficient number, since it is larger than the sum of its proper divisors (354769).

2040143 is an equidigital number, since it uses as much as digits as its factorization.

2040143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7921.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2040143 is about 1428.3357448443. The cubic root of 2040143 is about 126.8294774684.

Adding to 2040143 its reverse (3410402), we get a palindrome (5450545).

The spelling of 2040143 in words is "two million, forty thousand, one hundred forty-three".

Divisors: 1 7 37 259 7877 55139 291449 2040143