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2943287 = 23731753
BaseRepresentation
bin1011001110100100110111
312112112102122
423032210313
51223141122
6143030155
734006004
oct13164467
95475378
102943287
111730376
12b9b35b
137c08b9
145688ab
153d2142
hex2ce937

2943287 has 8 divisors (see below), whose sum is σ = 3115104. Its totient is φ = 2775168.

The previous prime is 2943257. The next prime is 2943289. The reversal of 2943287 is 7823492.

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

It is not a de Polignac number, because 2943287 - 26 = 2943223 is a prime.

It is a d-powerful number, because it can be written as 27 + 93 + 4 + 39 + 211 + 87 + 77 .

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (389388).

22943287 is an apocalyptic number.

2943287 is a deficient number, since it is larger than the sum of its proper divisors (171817).

2943287 is a wasteful number, since it uses less digits than its factorization.

2943287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849.

The product of its digits is 24192, while the sum is 35.

The square root of 2943287 is about 1715.6010608530. The cubic root of 2943287 is about 143.3103436477.

The spelling of 2943287 in words is "two million, nine hundred forty-three thousand, two hundred eighty-seven".

Divisors: 1 23 73 1679 1753 40319 127969 2943287