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2949143 = 17283613
BaseRepresentation
bin1011010000000000010111
312112211110112
423100000113
51223333033
6143113235
734032041
oct13200027
95484415
102949143
11173480a
12ba281b
137c3472
1456aa91
153d3c48
hex2d0017

2949143 has 8 divisors (see below), whose sum is σ = 3138768. Its totient is φ = 2761344.

The previous prime is 2949137. The next prime is 2949151. The reversal of 2949143 is 3419492.

It is a happy number.

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

It is not a de Polignac number, because 2949143 - 28 = 2948887 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 (2949103) 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, 4505 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (392346).

22949143 is an apocalyptic number.

2949143 is a deficient number, since it is larger than the sum of its proper divisors (189625).

2949143 is a wasteful number, since it uses less digits than its factorization.

2949143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its digits is 7776, while the sum is 32.

The square root of 2949143 is about 1717.3069032645. The cubic root of 2949143 is about 143.4053246909.

The spelling of 2949143 in words is "two million, nine hundred forty-nine thousand, one hundred forty-three".

Divisors: 1 17 283 613 4811 10421 173479 2949143