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2993287 = 11416637
BaseRepresentation
bin1011011010110010000111
312122002000111
423122302013
51231241122
6144053451
734304533
oct13326207
95562014
102993287
1117649a0
121004287
1380a59b
1457cbc3
153e1d77
hex2dac87

2993287 has 8 divisors (see below), whose sum is σ = 3345552. Its totient is φ = 2654400.

The previous prime is 2993269. The next prime is 2993297. The reversal of 2993287 is 7823992.

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 2993287 - 211 = 2991239 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2993227) 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, 2868 + ... + 3769.

It is an arithmetic number, because the mean of its divisors is an integer number (418194).

22993287 is an apocalyptic number.

2993287 is a deficient number, since it is larger than the sum of its proper divisors (352265).

2993287 is a wasteful number, since it uses less digits than its factorization.

2993287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6689.

The product of its digits is 54432, while the sum is 40.

The square root of 2993287 is about 1730.1118460955. Note that the first 3 decimals coincide. The cubic root of 2993287 is about 144.1173008983.

The spelling of 2993287 in words is "two million, nine hundred ninety-three thousand, two hundred eighty-seven".

Divisors: 1 11 41 451 6637 73007 272117 2993287