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2831039 is a prime number
BaseRepresentation
bin1010110011001010111111
312022211110022
422303022333
51211043124
6140402355
733030521
oct12631277
95284408
102831039
111664002
12b463bb
13781793
14539a11
153adc5e
hex2b32bf

2831039 has 2 divisors, whose sum is σ = 2831040. Its totient is φ = 2831038.

The previous prime is 2831011. The next prime is 2831051. The reversal of 2831039 is 9301382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2831039 - 220 = 1782463 is a prime.

It is a Chen prime.

It is equal to p205487 and since 2831039 and 205487 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2830999 and 2831017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2831069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415519 + 1415520.

It is an arithmetic number, because the mean of its divisors is an integer number (1415520).

22831039 is an apocalyptic number.

2831039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2831039 is an equidigital number, since it uses as much as digits as its factorization.

2831039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2831039 is about 1682.5691664832. The cubic root of 2831039 is about 141.4648740989.

The spelling of 2831039 in words is "two million, eight hundred thirty-one thousand, thirty-nine".