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2146143 = 37091009
BaseRepresentation
bin1000001011111101011111
311001000221210
420023331133
51022134033
6113555503
724145656
oct10137537
94030853
102146143
11123647a
12875b93
135a1b0c
143dc19d
152c5d63
hex20bf5f

2146143 has 8 divisors (see below), whose sum is σ = 2868400. Its totient is φ = 1427328.

The previous prime is 2146141. The next prime is 2146159. The reversal of 2146143 is 3416412.

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

It is not a de Polignac number, because 2146143 - 21 = 2146141 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 (2146141) 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, 1623 + ... + 2631.

It is an arithmetic number, because the mean of its divisors is an integer number (358550).

22146143 is an apocalyptic number.

2146143 is a deficient number, since it is larger than the sum of its proper divisors (722257).

2146143 is a wasteful number, since it uses less digits than its factorization.

2146143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its digits is 576, while the sum is 21.

The square root of 2146143 is about 1464.9720133846. The cubic root of 2146143 is about 128.9890622299.

It can be divided in two parts, 21 and 46143, that added together give a palindrome (46164).

The spelling of 2146143 in words is "two million, one hundred forty-six thousand, one hundred forty-three".

Divisors: 1 3 709 1009 2127 3027 715381 2146143