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2996143 = 5356531
BaseRepresentation
bin1011011011011110101111
312122012221021
423123132233
51231334033
6144115011
734316053
oct13333657
95565837
102996143
111767057
121005a67
1380b987
1457dc63
153e2b2d
hex2db7af

2996143 has 4 divisors (see below), whose sum is σ = 3052728. Its totient is φ = 2939560.

The previous prime is 2996117. The next prime is 2996153. The reversal of 2996143 is 3416992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2996143 is a prime.

It is a Duffinian number.

2996143 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2996099 and 2996108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2996113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28213 + ... + 28318.

It is an arithmetic number, because the mean of its divisors is an integer number (763182).

22996143 is an apocalyptic number.

2996143 is a deficient number, since it is larger than the sum of its proper divisors (56585).

2996143 is an equidigital number, since it uses as much as digits as its factorization.

2996143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56584.

The product of its digits is 11664, while the sum is 34.

The square root of 2996143 is about 1730.9370294728. The cubic root of 2996143 is about 144.1631221169.

The spelling of 2996143 in words is "two million, nine hundred ninety-six thousand, one hundred forty-three".

Divisors: 1 53 56531 2996143