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2983897 = 72914699
BaseRepresentation
bin1011011000011111011001
312121121010201
423120133121
51230441042
6143542201
734235260
oct13303731
95547121
102983897
111758934
12bba961
13806227
145795d7
153de1b7
hex2d87d9

2983897 has 8 divisors (see below), whose sum is σ = 3528000. Its totient is φ = 2469264.

The previous prime is 2983879. The next prime is 2983927. The reversal of 2983897 is 7983892.

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

It is not a de Polignac number, because 2983897 - 27 = 2983769 is a prime.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2983837) 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, 7147 + ... + 7552.

It is an arithmetic number, because the mean of its divisors is an integer number (441000).

22983897 is an apocalyptic number.

It is an amenable number.

2983897 is a deficient number, since it is larger than the sum of its proper divisors (544103).

2983897 is a wasteful number, since it uses less digits than its factorization.

2983897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14735.

The product of its digits is 217728, while the sum is 46.

The square root of 2983897 is about 1727.3960171310. The cubic root of 2983897 is about 143.9664434412.

The spelling of 2983897 in words is "two million, nine hundred eighty-three thousand, eight hundred ninety-seven".

Divisors: 1 7 29 203 14699 102893 426271 2983897